The current GOP contenders to take on Nelson are former state House Majority Leader Adam Hasner, former Sen. George LeMieux, former Ruth's Chris CEO Craig Miller and retired Army Col. Mike McCalister. Rep. Connie Mack IV will officially enter the race soon. Recent polls have shown that Mack begins as the frontrunner in the GOP race.
Rep. Elijah Cummings, D-Md., right, hugs Harold Schaitberger, General President of the International Association of Fire Fighters, after the Congressman spoke at the IAFF's Legislative Conference General Session at the Hyatt Regency on Capitol Hill, March 9, 2015. The day featured addresses by members of Congress and Vice President Joe Biden.