President Bashar al-Assad's regime and the Free Syrian Army battled for control over Syria's two largest cities, Damascus and Aleppo. Independent Television News' John Irvine and Alex Thomson report on the violence that continues between rebels and government troops.

Tracy Shelton of GlobalPost reports from behind the front line in Syria, where she has been embedded with Syria's opposition fighters. Then Ray Suarez speaks with Randa Slim of the New America Foundation on the strength and strategies of the…

United Nations special envoy Kofi Annan arrived in Syria's capital Damascus Monday, condemning a weekend massacre that killed at least 108 people in the village of Houla. Ray Suarez and Alex Thomson of Independent Television News, reporting from Homs, discuss…