Vladimir Putin, Barack Obama(01 of29)
Open Image ModalRussia's President Vladimir Putin, left, reaches out to shake hands with U.S. President Barack Obama during arrivals for the G-20 summit at the Konstantin Palace in St. Petersburg, Russia on Thursday, Sept. 5, 2013. The threat of missiles over the Mediterranean is weighing on world leaders meeting on the shores of the Baltic this week, and eclipsing economic battles that usually dominate when the G-20 world economies meet. (AP Photo/Dmitry Lovetsky) (credit:AP)
Vladimir Putin, Christine Lagarde(02 of29)
Open Image ModalRussia's President Vladimir Putin, left, shakes hands with Managing Director of the International Monetary Fund Christine Lagarde during arrivals for the G-20 summit at the Konstantin Palace in St. Petersburg, Russia on Thursday, Sept. 5, 2013. The threat of missiles over the Mediterranean is weighing on world leaders meeting on the shores of the Baltic this week, and eclipsing economic battles that usually dominate when the G-20 world economies meet. (AP Photo/Alexander Zemlianichenko) (credit:AP)
Vladimir Putin, Jose Angel-Gurria(03 of29)
Open Image ModalSecretary-General of the Organisation for Economic Co-Operation and Development Jose Angel-Gurria, right, shakes hands with Russia's President Vladimir Putin during arrivals for the G-20 summit at the Konstantin Palace in St. Petersburg, Russia on Thursday, Sept. 5, 2013. The threat of missiles over the Mediterranean is weighing on world leaders meeting on the shores of the Baltic this week, and eclipsing economic battles that usually dominate when the G-20 world economies meet. (AP Photo/Alexander Zemlianichenko) (credit:AP)
Vladimir Putin, Jose Angel-Gurria(04 of29)
Open Image ModalSecretary-General of the Organisation for Economic Co-Operation and Development Jose Angel-Gurria, right, gestures while speaking with Russia's President Vladimir Putin during arrivals for the G-20 summit at the Konstantin Palace in St. Petersburg, Russia on Thursday, Sept. 5, 2013. The threat of missiles over the Mediterranean is weighing on world leaders meeting on the shores of the Baltic this week, and eclipsing economic battles that usually dominate when the G-20 world economies meet. (AP Photo/Alexander Zemlianichenko) (credit:AP)
RUSSIA-G20-SUMMIT(05 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes US President Barack Obama at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(06 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes US President Barack Obama at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / YURI KADOBNOV (Photo credit should read YURI KADOBNOV/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(07 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes United Nations (UN) Secretary General Ban Ki-moon at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(08 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Kazakhstan's President Nursultan Nazarbayev at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(09 of29)
Open Image ModalRussias President Vladimir Putin waits for heads of state at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG ALTERNATIVE CROP (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(10 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Mexicos President Enrique Pena Nieto at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(11 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Mexicos President Enrique Pena Nieto at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(12 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Japans Prime Minister Shinzo Abe at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(13 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Japans Prime Minister Shinzo Abe at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(14 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Japans Prime Minister Shinzo Abe at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(15 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Singapore's Prime Minister Lee Hsien Loong at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(16 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Saudi Arabia's Minister of Finance Ibrahim bin Abdulaziz Al-Assaf at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(17 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Indias Prime Minister Manmohan Singh at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(18 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Indias Prime Minister Manmohan Singh at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(19 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Australia's Foreign Minister Bob Carr at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(20 of29)
Open Image ModalRussias President Vladimir Putin (L) welcomes Singapore's Prime Minister Lee Hsien Loong at the start of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
G20 Leaders Meet In St. Petersburg For The Summit(21 of29)
Open Image ModalSAINT PETERSBURG - SEPTEMBER 05: In this handout image provided by Host Photo Agency, President of the French Republic Francois Hollande arrives at the G20 summit on September 5, 2013 in St. Petersburg, Russia. The G20 summit is expected to be dominated by the issue of military action in Syria while issues surrounding the global economy, including tax avoidance by multinationals, will also be discussed duing the two-day summit. (Photo by Alexey Filippov/Host Photo Agency via Getty Images) (credit:Getty Images)
G20 Leaders Meet In St. Petersburg For The Summit(22 of29)
Open Image ModalSAINT PETERSBURG - SEPTEMBER 05: In this handout image provided by Host Photo Agency, President of the Russian Federation Vladimir Putin (R) and President of the Council of Ministers of the Italian Republic Enrico Letta meet at the G20 summit on September 5, 2013 in St. Petersburg, Russia. The G20 summit is expected to be dominated by the issue of military action in Syria while issues surrounding the global economy, including tax avoidance by multinationals, will also be discussed duing the two-day summit. (Photo by Anton Denisov/Host Photo Agency via Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(23 of29)
Open Image ModalUS President Barack Obama waves upon his arrival at Saint Petersburg's airport ahead of the G20 summit on September 5, 2013. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / KIRILL KUDRYAVTSEV (Photo credit should read KIRILL KUDRYAVTSEV/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(24 of29)
Open Image ModalUS President Barack Obama (3L) speaks during a bilateral meeting with Japans Prime Minister Shinzo Abe (R) on the sideline of the G20 summit in Saint Petersburg on September 5, 2013. World leaders meet Thursday at a G20 summit in Russia where Obama will strive to bridge deep divisions over his push for military action against the Syrian regime's alleged use of chemical weapons. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(25 of29)
Open Image ModalUS President Barack Obama shakes hands with Japans Prime Minister Shinzo Abe (R) before a bilateral meeting on the sideline of the G20 summit in Saint Petersburg on September 5, 2013. World leaders meet Thursday at a G20 summit in Russia where Obama will strive to bridge deep divisions over his push for military action against the Syrian regime's alleged use of chemical weapons. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(26 of29)
Open Image ModalFrances President Francois Hollande (L) shakes hands with Turkeys Prime Minister Recep Tayyip Erdogan prior a meeting ahead of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(27 of29)
Open Image ModalFrances President Francois Hollande (R) meets with Turkeys Prime Minister Recep Tayyip Erdogan ahead of the G20 summit on September 5, 2013 in Saint Petersburg. Russia hosts the G20 summit hoping to push forward an agenda to stimulate growth but with world leaders distracted by divisions on the prospect of US-led military action in Syria. AFP PHOTO / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images) (credit:Getty Images)
G20 Leaders Meet In St. Petersburg For The Summit(28 of29)
Open Image ModalSAINT PETERSBURG - SEPTEMBER 05: In this handout image provided by Host Photo Agency, President of the Russian Federation Vladimir Putin (R) and President of the Council of Ministers of the Italian Republic Enrico Letta meet at the G20 summit on September 5, 2013 in St. Petersburg, Russia. The G20 summit is expected to be dominated by the issue of military action in Syria while issues surrounding the global economy, including tax avoidance by multinationals, will also be discussed duing the two-day summit. (Photo by Anton Denisov/Host Photo Agency via Getty Images) (credit:Getty Images)
RUSSIA-G20-SUMMIT(29 of29)
Open Image ModalJapans Prime Minister Shinzo Abe waits for US President to arrive for a bilateral meeting on the sideline of the G20 summit in Saint Petersburg on September 5, 2013. World leaders meet at a G20 summit in Russia where Obama will strive to bridge deep divisions over his push for military action against the Syrian regime's alleged use of chemical weapons. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images) (credit:Getty Images)