By DAVID ESPO, ASSOCIATED PRESS MESA, Ariz. — Primed for a fight, Mitt Romney and Rick Santorum traded fiery accusations about health care, spend...

Republican presidential candidates Mitt Romney and Rick Santorum are looking to make a splash in Wednesday night's primary debate in Arizona. The f...

By DAVID ESPO, ASSOCIATED PRESS MESA, Ariz. — Rick Santorum is looking for another upset or two, while Mitt Romney is hoping to keep his leading ...

By DAVID ESPO, ASSOCIATED PRESS JACKSONVILLE, Fla. — An aggressive Mitt Romney repeatedly challenged Republican presidential rival Newt Gingrich ...

Four candidates competing for the Republican presidential nomination are going head-to-head in a primary debate with Florida's primary election less t...

By DAVID ESPO, ASSOCIATED PRESS JACKSONVILLE, Fla. — Pointing toward an evening debate, Mitt Romney jokingly urged supporters Tuesday to "just st...

TAMPA, FLA. -- The most important moment of Monday night's presidential debate -- the first in the crucial state of Florida -- may have come before an...

With Florida's primary election around the corner, four candidates running for the Republican presidential nomination are taking part in a primary deb...

By STEVE PEOPLES, ASSOCIATED PRESS TAMPA, Fla. - Rocked in South Carolina over the weekend, an increasingly aggressive Mitt Romney looked to take t...

By DAVID ESPO, THE ASSOCIATED PRESS NORTH CHARLESTON, S.C. - The race for the Republican presidential nomination took a turn toward the South Carol...

On the heels of Texas Gov. Rick Perry abandoning his campaign for the White House, four candidates running for the Republican presidential nomination ...

By THE ASSOCIATED PRESS The five Republicans seeking their party's nomination for president are preparing for the last televised debate before Satu...

By SHANNON McCAFFREY, Associated Press WASHINGTON -- Former House Speaker Newt Gingrich says he thinks his performance in debate against fellow Rep...

MYRTLE BEACH, S.C. -- The Republican candidates have sharp disagreements over a new policy to detain American citizens suspected of terrorism. Pres...

By DAVID ESPO, ASSOCIATED PRESS Under heavy debate pressure from his rivals, Republican presidential front-runner Mitt Romney defended his record a...

Five candidates vying for the Republican presidential nomination are going head-to-head in a primary debate in South Carolina on Monday night. The ...

MYRTLE BEACH, S.C. — The Republican presidential contenders on Monday campaigned their way into the first of two debates before a pivotal weekend pr...

WASHINGTON -- Jon Huntsman wants U.S. forces out of Afghanistan "fast," he said in an interview aired on National Public Radio Monday morning, when as...

MANCHESTER, N.H. - Nothing much changed during the New Hampshire debate Saturday night, especially since former Massachusetts Gov. Mitt Romney went co...

If you can get a message to Ben Sherwood at ABC News, please tell him thanks for shutting this down earlier than anticipated. In case you didn't know,...

WASHINGTON — After months of getting a pass on the subject from his rivals, Mitt Romney was challenged in the Republican presidential debate Sat...

MANCHESTER, N.H. -- Mitt Romney brushed aside rivals' criticism Saturday night in the opening round of a weekend debate doubleheader that left his Rep...

MANCHESTER, N.H. -- Texas Gov. Rick Perry hit President Obama for ending the Iraq war and pulling out U.S. troops -- carrying out a Status of Forces A...

MANCHESTER, N.H. -- Debate moderator George Stephanopoulos asked Rep. Ron Paul (R-Texas) to explain his controversial newsletters written under his na...

(AP) MANCHESTER, N.H. — Republican presidential contender Mitt Romney says that constitutional amendments are the way to guarantee bedrock rights an...