LAS VEGAS, NV - OCTOBER 12: Democratic presidential nominee Hillary Clinton greets supporters after speaking at a campaign rally at The Smith Center for the Performing Arts on October 12, 2016 in Las Vegas, Nevada. Clinton, who will return to Las Vegas for the final presidential debate on October 19, continues to campaign against her Republican opponent Donald Trump with less than one month to go before Election Day. (Photo by Ethan Miller/Getty Images)
