GOP Presidential Candidate Jeb Bush Campaigns In Las Vegas [Getty Images]

LAS VEGAS, NV - SEPTEMBER 17: Republican presidential candidate Jeb Bush waits to be introduced at a campaign rally at the Veterans Memorial Leisure Services Center on September 17, 2015 in Las Vegas, Nevada. Bush is campaigning in Nevada after participating in the second Republican debate yesterday in California. (Photo by Ethan Miller/Getty Images)

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