SARASOTA -- Republican congressional candidate Chester Flake dropped out of the 13th District race Wednesday because of a paperwork error that he says was engineered by his opponent, Katherine Harris. Flake, 27, a computer consultant who has never held elected office, was on his way to the Sarasota County Supervisor of Elections office Wednesday morning to deliver a stack of 2,400 petition signatures when he ran into a friend. Seeing the pile of petitions, Flake's friend asked him if he'd also remembered to turn in his "alternative method affidavit," required for candidates who seek to get on the ballot by...