2010/08/19 Headlines: US Withdraws Last Combat Brigade from Iraq, But 56,000 Troops Remain; Hundreds Protest Deadly US Raid in Afghanistan; US: Afghan Ban on Armed Contractors Could Threaten Aid; US Boosts Pakistan Aid to $150M; Lori Berenson Reimprisoned in Peru; US Still Holding Gitmo Prisoner Cleared for Release in 2004; ACLU Files Suit over Torture, Jailing of US Citizen in UAE; Howard Dean Opposes Islamic Community Center Near Ground Zero; US Accused of Pressuring India to Drop Bhopal Claims; US Deported Record 393,000 in 2009; Justice Dept. Threatens to Sue Arizona Sheriff for Rebuffing Investigators; Bailed-Out GM Files Papers for Public Offering