Alexander defends late party switch in 5th District debate By ADAM NOSSITER Associated Press writer MONROE -- Congressman Rodney Alexander defended a last-minute party switch that infuriated Democrats Sunday night, in the sole televised debate of an otherwise quiet race to represent a broad swath of central and north Louisiana. Alexander, boosted by polls showing him way out in front and likely to win the 5th Congressional District race without a runoff, spoke calmly about an issue that initially threw his race into an uproar, and had Democrats from Louisiana to Washington denouncing him in harsh terms. He brushed off...