Donald Trump autographs a supporter's hand at Palo Verde High School in Las Vegas, a Republican caucus site, on Feb. 23.
Donald Trump autographs a supporter's hand at Palo Verde High School in Las Vegas, a Republican caucus site, on Feb. 23. ISAAC BREKKEN The New York Times
Donald Trump autographs a supporter's hand at Palo Verde High School in Las Vegas, a Republican caucus site, on Feb. 23. ISAAC BREKKEN The New York Times

What’s scary about Donald Trump’s backers

February 24, 2016 03:24 PM