ARIZONA

Ron Paul is used to receiving passionate reactions from the audience when he talks about Iran and foreign policy at Republican debates, and it was no different in Arizona Wednesday night.

Verizon 4G wireless customers reported another 4G LTE outage on Wednesday but service has since been restored according to the carrier, who has suffered four mass outages nationwide over a span of three months.

Rick Santorum and Mitt Romney spent part of Wednesday night's debate distancing themselves from the No Child Left Behind education law that they had both supported in the past.

Two helicopters collided in during a training exercise in near the Arizona's Yuma Training Range Complex Military base, killing seven Marines on Wednesday.

Rick Santorum and Mitt Romney duked it out at CNN's Arizona Republican debate Wednesday night, but Romney came out on top at what will likely be the final debate of the primary season.

Rick Santorum and Mitt Romney duked it out at CNN's Republican debate Wednesday night in Arizona, but Romney came out on top at what will likely be the final debate of the primary season.

The Arizona CNN Republican debate, perhaps the last in the roller-coaster campaign to challenge President Barack Obama, saw rivals piling criticism on Rick Santorum, who was apparently trying to build on his surprise rise in recent polls.

Republican rivals pile criticism on US presidential candidate Rick Santorum to blunt surge.

The stage for the Arizona CNN Republican debate, the 20th and maybe the final debate of the GOP primary, was characteristically different from the ones seen before. There were only four candidates on stage, all were seated and none of them addressed the issue of Americans needing jobs. Here are some of the main quotes from the candidates.

Who do you think won the Republican debate: Mitt Romney, Ron Paul, Newt Gingrich or Rick Santorum? Vote here to let us know. Tonight's debate in Arizona will likely be the last GOP primary debate before Super Tuesday on March 6, and the candidates' last chance to sway American viewers as they make their way to the voting booth.

Former Pennsylvania Sen. Rick Santorum, former Mass. Gov. Mitt Romney, Texas Rep. Ron Paul and former House Speaker Newt Gingrich face off tonight in Arizona for their last primary debate before Super Tuesday. Click here for live coverage of the debate, hosted by CNN, with minute-by-minute updates.

Find out who's moderating tonight's GOP debate, when it begins, where to watch it live and how to follow it on Twitter by clicking here. Former Massachusetts Gov. Mitt Romney, former Pennsylvania Sen. Rick Santorum, Texas Rep. Ron Paul and former Speaker Newt Gingrich face off in Arizona tonight in the last debate before the Arizona and Michigan primaries, the Washington primary, and Super Tuesday.

Of all the issues likely to surface at Wednesday night's Republican debate in Arizona, immigration is a fairly safe bet. That's because Arizona has come to embody the GOP's approach to immigration, in 2010 passing a controversial immigration law that became the model for similar bills passed by Republican-controlled legislatures in Georgia, Alabama, South Carolina and Utah.

Former Louisiana congressman and governor Buddy Roemer announced he has suspended his Republican presidential campaign because the party has turned [its] back on the Democratic process.

Cheers.

Republican presidential hopeful Rick Santorum may be surging in the polls ahead of Mitt Romney just a week before the Arizona and Michigan primaries, but that has come along with intense media scrutiny and the discovery of rather controversial comments.

Scientists have discovered something amazing in space. After analyzing satellite images, scientists have discovered the fastest measured winds to be observed from a stellar-mass black hole.

Rick Santorum continued to defend comments from his past on Tuesday, this time from a 2008 speech about Satan attacking America.

Antibiotic-resistant bacteria fostered in livestock can be transferred to humans, a new study in the journal mBio has shown.

Pinal County, Ariz. Sheriff Paul Babeu resigned his post as Mitt Romney's state campaign co-chair, following the revelation on Saturday that he was involved in a homosexual relationship with a Mexican immigrant who claims he was threatened with deportation if he spoke out about their involvement.

Watch Ben Flajnik vie for parental approval.