Crawford, TX Several major liberal groups and mainline news outlets had to retreat from their latest anti-war campaign this week when they lost their latest human shield, grieving Army-mom Cindy Sheehan. Mrs. Sheehan, who lost her son, Casey, in the Iraq war 14 months ago, announced today that she was leaving her makeshift camp here to care for her ailing mother amid loud protests from MoveOn.org, MANBLA and Alec Baldwin.