Immigration sparks war of words between Romney, Perry at GOP debate  —  In an already testy debate, Mitt Romney and Rick Perry got into an all-out squabble over Romney's use of a lawn-mowing company that had hired undocumented immigrants in the past.  —  “Those people that hire illegals ought …

Why Perry went there  —  The Texas governor went into Tuesday night's debate looking for a reaction — and he got one.

Republican Presidential Candidates Debate in Las Vegas  —  LAS VEGAS — Mitt Romney came under withering attack from his rivals for the Republican presidential nomination at a debate here Tuesday night, with Gov. Rick Perry leading an intense and sometimes personal barrage …

NBC Poll: Cain leads in S.C.; tight Fla. race with Romney  —  ‘The road to the convention is going to go through these two states’  —  Below:  —  Deputy political director  —  updated 2011-10-19T10:19:11  —  Former businessman Herman Cain holds a narrow lead in South Carolina's Republican primary …

Debate rivals pile on Romney in Vegas  —  LAS VEGAS — Mitt Romney found himself under a fierce assault from his primary opponents for the first time in the 2012 race during Tuesday night's GOP debate, with multiple rivals assailing him over his record on health care.

Candidates go all-in for Las Vegas debate  —  Las Vegas (CNN) - Former Godfather's Pizza executive Herman Cain was at the center of a pile-on Tuesday night at the presidential debate hosted by CNN and the Western Republican Leadership Conference, as his GOP rivals took turns picking apart his …

The dangers of accidental candor  —  After five debates in six weeks, these get-togethers for the Republican presidential candidates were quickly becoming sleep-inducing.  Last night in Las Vegas, though, was at least lively — with time running out, someone lit a fire under the candidates' feet.