Democratic presidential candidate Sen. <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Bernie+Sanders&family=editorial&specificpeople=2908340 ng-click='$event.stopPropagation()'>Bernie Sanders</a> (I-VT) speaks during a campaign rally at Bonanza High School on February 14, 2016 in Las Vegas, Nevada. Sanders is challenging Hillary Clinton for the Democratic presidential nomination ahead of Nevada's Feb. 20 Democratic caucus.
{"Image ImageDescription": "LAS VEGAS, NV - FEBRUARY 14: Democratic presidential candidate Sen. Bernie Sanders (D-VT) speaks during a campaign rally at Bonanza High School on February 14, 2016 in Las Vegas, Nevada. Sanders is challenging Hillary Clinton for the Democratic presidential nomination ahead of Nevada's February 20th Democratic caucus. (Photo by Ethan Miller/Getty Images)", "Image Copyright": "2016 Getty Images"}