The president's missive to Nancy Pelosi, on the eve of his expected impeachment, is one of his most unhinged.
Gordon Sondland and Fiona Hill stole the show in Washington in another week of explosive testimony on the president.
The impeachment inquiry against the US president reached a new milestone this week.
Sauli Niinistö had to sit back and watch as US president went on the offensive.
Attempting to remove the president is politically dangerous. But Democrats finally seem ready to step up, former White House advisor Amy Pope writes.
Democrats have launched a formal impeachment inquiry into the president. Here’s what happens next.
The president has come under fresh scrutiny following reports he sought Ukraine's help to smear political rival.
"Better to have a few rats than to be one," the Baltimore Sun said in an editorial.
The president also said the vote was a "con game".
Alexandria Ocasio-Cortez and three other Democrats - Ilhan Omar, Rashida Tlaib and Ayanna Pressley have condemned the US president's tweets.