Posted: 9:02 AM Gun sales are booming across Texas, and some buyers say their growing belief that President Barack Obama's re-election is inevitable is fueling their race to bear more arms.

Posted: 1:37 PM The second-ranking Republican in the House is throwing his support behind Mitt Romney in the GOP presidential race.

Posted: 6:56 AM Mitt Romney rolled to a double-digit victory in Washington state's Republican presidential caucuses Saturday night.

Updated: 7:33 AM Radio host Rush Limbaugh has apologized to a Georgetown University law student for calling her insulting names.

Updated: 11:55 PM A bill which would have allowed employers and insurers to refuse to cover health care measures that they found morally objectionable has failed in the Senate.

Updated: 10:11 PM Mitt Romney scored a hard-won, home state triumph in Michigan and powered to victory in Arizona Tuesday night, gaining a two-state primary sweep over Rick Santorum and precious momentum in the most turbulent Republican presidential race in a generation.

Posted: 9:47 AM Republican presidential candidate Rick Santorum is calling for a bigger role for religion in the public square and faults President Barack Obama for marginalizing faith.

Posted: 6:51 AM Mitt Romney and Rick Santorum are in a dead heat in Michigan, a state that's emerged as a must-win for Romney.

Posted: 9:34 AM New Jersey Gov. Chris Christie isn't ruling out the possibility that the topsy-turvy GOP presidential race may end up in a contested party convention this summer if Mitt Romney loses Tuesday's Michigan primary.

Updated: 2:59 PM Mitt Romney is challenging Rick Santorum's conservative principles as he campaigns across his native state of Michigan today.

Updated: 8:15 AM GOP hopeful Mitt Romney will make a major speech on the economy Friday in Michigan, while members of an auto workers union prepare to protest.

Posted: 3:54 PM Despite objections from state Democrats, Colorado's Republican elections chief has changed state campaign finance rules.

Updated: 11:15 AM As part of his campaign's economic plan, Mitt Romney is calling for a 20 percent cut to income tax rates.

Posted: 9:56 AM For two of the leading GOP front-runners, their supportive super PACs raised more money and have more cash left in the bank than the candidates' own campaigns.

Posted: 10:10 AM Rick Santorum says the notion of global warming is not climate science but "political science."

Posted: 6:13 AM The Obama campaign has shifted its focus to new GOP frontrunner Rick Santorum, slamming him for suggesting the president isn't a Christian.

Posted: 5:47 AM Ron Paul has gained 83 votes on Mitt Romney following a Republican presidential caucus in eastern Maine, where voting last week had been postponed due to bad weather. The county could be considered in the final results.

Posted: 4:37 PM A Republican National Committee official says party leaders are troubled by the staging of recent presidential debates and are interested in having the party take control of the events for the 2016 election cycle.

Posted: 12:14 PM President Barack Obama raised $29 million for his campaign and for the Democratic Party in January.

Posted: 12:12 PM In Mitt Romney's world, Europeans are socialists, the Chinese are currency manipulators, Russia can't be trusted to abide by nuclear agreements, and the U.S. is too generous with humanitarian aid.

Posted: 7:09 AM Mitt Romney hopes to corral a soaring Rick Santorum, while GOP hopefuls Newt Gingrich and Ron Paul tell voters not to count them out yet.

Posted: 1:20 PM Rick Santorum is the latest Republican to surge in presidential preference polls. Now he's trying to turn his newfound strength into something lasting.

Updated: 1:53 PM President Obama's top aide said Sunday that the latest iteration of the birth control rule will go forward, while Senate Republicans seek a vote on legislation to stop it.

Posted: 12:15 PM Thousands of conservatives are in Washington this weekend to hear the GOP presidential candidates make a pitch for their votes.

Posted: 5:31 AM The Colorado Senate has fired an unpaid intern accused of "glitter bombing" Republican presidential candidate Mitt Romney after the Colorado caucuses.