While he declined back in March to run for the U.S. Senate seat his father held for two terms, U.S. Rep. Connie Mack is preparing to enter the crowded Republican primary field of candidates looking to knock off Democratic incumbent U.S. Sen. Bill Nelson in 2012.

On Thursday, the team behind U.S. Rep. Ron Paul of Texas, making his second bid for the Republican presidential nomination, trumpeted polls of Iowa, New Hampshire and South Carolina that, they insist, show their candidate is building momentum.

Despite being born in the Hawkeye State and winning the Republican straw poll in Ames back in August, Republican presidential hopeful U.S. Rep. Michele Bachmann of Minnesota is sinking in Iowa, home of the first caucus. Bachmann unveiled an experienced political team on Thursday as she looks to turn things around in the state to revive her faltering presidential campaign.

On Tuesday, the two leading candidates for the Republican presidential nomination -- former Gov. Mitt Romney of Massachusetts and businessman Herman Cain -- added to their teams in Florida which, as the fourth state in line to determine who the GOP nominee will be -- continues to rank as one of the most important political battlegrounds in the nation.

A day after announcing his political and financial leadership team in the Sunshine State, Romney announced that 24 Republicans in the Florida Legislature had endorsed his presidential candidacy -- bringing his total up to 36.