Republican presidential candidate Mitt Romney on Tuesday in Las Vegas.
Justin Sullivan/Getty Images
May 30, 2012 With his win Tuesday in the Texas primary Mitt Romney has "clinched the Republican presidential nomination," according to The Associated Press.
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President Obama during a news conference Monday in Chicago.
Mandel Ngan/AFP/Getty Images
May 23, 2012 In both Democratic and Republican contests, some voters continue to register their unhappiness with the choices before them. The latest votes came Tuesday in Arkansas and Kentucky.
Mayor Cory Booker of Newark, N.J.
Bennett Raglin/Getty Images for Macy's
May 21, 2012 It's a classic campaign chain of events: a rising star (in this case Newark, N.J., Mayor Cory Booker) seems to cross his party's leader, and then says he was misunderstood. Meanwhile, the opposition uses his words to its advantage.
Republican presidential contender Mitt Romney at a campaign event on Wednesday in St. Petersburg, Fla.
Edward Linsmier/Getty Images
May 17, 2012 In the first month since he effectively wrapped up the GOP presidential nomination, Romney and his party raised almost as much money as the president and the Democratic Party.
Back in 2006: Then-President George W. Bush and then-Gov. Mitt Romney
Brendan Smialowski /AFP/Getty Images
May 16, 2012 As an elevator's doors closed, former President George W. Bush confirmed the obvious. But Romney's campaign doesn't see Bush playing an important role in the 2012 campaign.
Republican presidential hopeful Ron Paul at a campaign event in Las Vegas on Feb. 3.
Stan Honda /AFP/Getty Images
May 15, 2012 Paul is "in this race all the way to the Republican National Convention in Tampa this August," spokesman Jesse Benton says. But, he adds, the campaign will be "maximizing our resources" by not investing in remaining primary states.
Keith Judd, federal prisoner and presidential candidate, in 2008.
Beaumont Enterprise, courtesy of Keith Judd/AP
May 9, 2012 Keith Judd was able to get on the ballot, even though he's in a Texas prison, because of West Virginia's liberal ballot access laws. Democrats there showed their discontent with the president by giving Judd 41 percent of the vote.
Back in their sparring days: Rick Santorum (left) and Mitt Romney during a Feb. 22, 2012, Republican presidential debate in Arizona.
Don Emmert/AFP/Getty Images
May 8, 2012 They don't agree on everything, but they do agree that they want to defeat President Obama, Santorum says of his former rival for the Republican presidential nomination.
May 2, 2012 The former House speaker exits the race for the 2012 Republican presidential nomination.
Ann and Mitt Romney, on March 20, celebrating his win in the Illinois primary.
Chip Somodevilla/Getty Images
May 1, 2012 "I still look at him as the boy that I met in high school when he was playing all the jokes and really just being crazy, pretty crazy," Ann Romney said today on CBS.
Marianne Todd/Getty Images
May 1, 2012 He's giving supporters "an insider advanced notice that on Wednesday I'll be officially suspending the campaign." And he's using the message to say, again, that reelecting President Obama "would be a genuine disaster."
Republican presidential candidate Newt Gingrich and his wife, Callista, Tuesday night in Concord, N.C.
John W. Adkisson/Getty Images
April 25, 2012 Sources are telling media outlets that the former House speaker will soon exit the campaign and that it's highly likely he will endorse Mitt Romney.
Republican presidential candidate Mitt Romney and his wife Ann celebrated Tuesday night in Manchester, N.H.
Chip Somodevilla/Getty Images
April 25, 2012 After winning all five primaries on Tuesday, the former Massachusetts governor all but wrapped up the race for the Republican presidential nomination. Now he's pledging to mount a campaign to show "we can do better."
April 24, 2012 National polls show a close race for the popular vote between President Obama and Mitt Romney, but you may find it more enlightening to look at the larger, more complex puzzle that is the Electoral College map. The state-by-state landscape is distinctly more uphill for the challenger.
Former House Speaker Newt Gingrich earlier this month in New York City.
Spencer Platt/Getty Images
April 24, 2012 Mitt Romney will still be the presumptive nominee. But analysts say Newt Gingrich might win today in Delaware. That could give him a reason to stay in the race.
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