The Republican presidential contenders are making a pitch to voters that sounds a lot like a children's game: Follow the leader.

Newt Gingrich has staked his presidential bid on one idea: that he is best positioned to defeat President Barack Obama. Even some of his supporters seem to be struggling to buy the former House speaker's claim, an indication that chief rival Mitt Romney's efforts to undercut him may be working.

Republican insiders are rising up to cut Newt Gingrich down to size, testament to the GOP establishment's fear that the mercurial candidate could lead the party to disaster this fall.

Newt Gingrich and Mitt Romney urged conservatives to back off aggressive anti-immigration policies as the Republican presidential candidates vied for Hispanic votes Friday, a day marked by heightened tensions entering the final weekend before Florida's primary.

President Barack Obama rallied House Democrats for an election-year fight, urging them to work with Republicans if they show some willingness to put politics aside but telling the rank and file to call them out if they stand in the way.

Presidential hopeful Ron Paul wants other Republicans to know that he and his supporters plan to hang around for a while longer.

Mitt Romney's ties to the Northeast gave him a boost on the way to winning the New Hampshire primary. Newt Gingrich's roots in the South probably had at least a little to do with his South Carolina triumph.

As a young college professor running for Congress, Newt Gingrich wanted to sharpen his debating skills.