WASHINGTON—Newt Gingrich won the Republican primary in South Carolina by a wide margin, throwing open the race for the party's presidential candidacy. Gingrich, the former U.S. House of Representatives speaker, defeated Mitt Romney, long believed to...

WASHINGTON—Newt Gingrich won the South Carolina primary by wide margin, throwing open the race for the GOP presidential candidacy. Gingrich, the former U.S. House of Representatives speaker, bested Mitt Romney, long believed to be the frontrunner, 40.4...

WASHINGTON—Rick Perry reportedly is dropping his bid to become the Republican presidential nominee. CNN and The New York Times reported Thursday that the Texas governor will announce later in the day his decision to bow out; a news conference reportedly...

WASHINGTON -- Republican presidential hopeful Jon Huntsman will endorse Mitt Romney for president. The former Utah governor will make the announcement that he is ending his campaign Monday in South Carolina, the Washington Post reported, five days ahead...