* Headlines for August 27, 2008 * 600 Arrested at Mississippi Factory in Largest Immigration Raid in US History * Clinton Calls on Supporters to Unite Behind Obama * Amy Goodman Questions Fmr. President Jimmy Carter on Being Sidelined at DNC * In Wake of Deadly U.S. Airstrike, Jeremy Scahill Questions Lawmakers About Obama's Afghanistan Policy * Labor Groups Challenge Retail Giant Wal-Mart on Pressuring Employees to Vote Against Obama * Narrowing the Obama-Clinton Divide: A Roundtable Discussion * "Operation First Casualty": Outside Democratic Convention, Iraq Veterans Against the War Re-Enact Raids on Iraqi Civilians * Rep. Dennis Kucinich: "Wake Up America!" * Tarnished by Sex Scandal, John Edwards' Absence Reduces Focus on Poverty at Democratic Convention * When Off the Silver Screen, Actress Daryl Hannah Seen on Frontlines of Environmental Movements