Republican presidential candidate Donald Trump is seen inside The Trump Store at the Trump Hotel as voters caucus in Las Vegas, Nevada, February 23, 2016.
US Republican presidential candidates face off in Nevada as frontrunner Donald Trump tries to maintain momentum with a rousing victory in the last contest before next week's all-important 'Super Tuesday' votes. / AFP / JOSH EDELSON        (Photo credit should read JOSH EDELSON/AFP/Getty Images)