Audiences the world over are captivated by images of violence. Rolling news runs round-the-clock footage of troops and tanks fighting harsh battles in some of the world's most inhospitable places. This deserves our attention and thank goodness these pictures stir the public and their political leaders to tackle pressing security issues.
On the same day as the Boston bombings at least 33 were killed and 160 wounded in a string of bomb attacks across Iraq. Attacks which did not take place before the US led invasion of the country. The same media coverage was not afforded to the dead in Iraq, nor did Obama seek to comment on the issue.