<p>Republican presidential candidate, former Massachusetts Gov. Mitt Romney holds a baby as he greets supporters after speaking at a campaign event, Tuesday, May 29, 2012, in Craig, Colo. (AP Photo/Mary Altaffer)</p>
May 30, 2012
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May 30, 2012 9:15 p.m.
Romney clinches GOP nomination
Former Massachusetts governor surpasses 1,144 delegates
WASHINGTON - Mitt Romney clinched the Republican presidential nomination Tuesday with a win in the Texas primary, a triumph of endurance for a candidate who came up short four years ago and had to fight hard this year as voters flirted with a carousel of GOP rivals.