FILE - In this Feb. 19, 2012, file photo, Republican senate candidate Rep. Connie Mack speaks to the Florida Federation of Republican Women during a candidate forum in Tallahassee, Fla. The battleground states of Florida, Pennsylvania and Michigan were looking ideal for Republicans trying to regain a Senate majority in the November elections. With just over five months to Election Day, the three states now look like missed opportunities for the GOP. Florida has an ugly GOP primary between Mack and former Sen. George LeMieux.(AP Photo/Steve Cannon)