Overview: 2010/11/03 Headlines: GOP Takes House, But Dems Keep Senate; Sen. Feingold Loses Re-Election Bid in Wisconsin; Tea Party Scores Senate Victories in Kentucky, Florida; Boehner to Obama: "Change Course"; GOP Gains in 10 Gubernatorial Races; California Voters Reject Legalized Marijuana, Maintain Clear Air Rules; 76 Killed in Iraq Bombings; Report: BP Pipelines in Alaska Damaged, Risk Explosion; Study: Deadly Chemicals Spread Widely After Spill; Bush Considered Dropping Cheney for Re-Election Bid