Why did Syria's main opposition leader quit?

The head of Syria's main opposition group resigned on Sunday (March 24), throwing the already disorganized coalition into deeper turmoil. What are the implications of Moaz al-Khatib's exit? Andrew Bowen, the Baker Institute's scholar for the Middle East, joined two other experts to discuss the surprise development at Syria Deeply, a single-issue news website covering the civil war in Syria.

"You had an opposition that had a charismatic figure to lead, and now you don"t have that leader. And it will be hard to find someone who can bridge those groups together, or a national coalition more partisan than under Khatib, so it will be much harder to have negotiations," wrote Bowen. Read his entire take here.