President Barack Obama , Prime Minister Recep Tayyip Erdogan talk to the media in Washington . The unrest in Syria has persisted for more than two years , despite diplomatic efforts . `` If we are unable to do anything to stop this tragedy , then how can we sustain the moral credibility of this organization ? '' Opposition group says fighting killed at least 63 people Thursday . TL;DR A Syrian government airstrike hit a school bus carrying children and teachers on Thursday, killing dozens of people, activists said.
President Barack Obama , Prime Minister Recep Tayyip Erdogan talk to the media in Washington . The unrest in Syria has persisted for more than two years , despite diplomatic efforts . Opposition group says fighting killed at least 63 people Thursday . TL;DR A Syrian government airstrike hit a school bus carrying children and teachers on Thursday, killing dozens of people, activists said.