Supervisors of elections in the counties that include the 16th Congressional District may post signs letting voters know that Joe Negron has replaced resigned U.S. Rep. Mark Foley as the Republican candidate, clearing up confusion that may arise when they see Foley's name on the Nov. 7 ballot. Several experts have said that voter confusion over the fact that despite Foley's high profile resignation over a scandal involving inappropriate messages to young pages, his name will still be on the ballot. The challenger in the race is Democrat Tim Mahoney. While it's not clear how many voters in the district...