It wasn’t the granddaughter stories or celebrity selfies that convinced Mary Alice Kukoski about Hillary Clinton. The first-year college student at the University of Virginia was studying with a friend late last month when she took a break to watch the first presidential debate. There Clinton was, Kukoski recalled, wearing combative red and sparring with Donald Trump, calm, methodical and deadly. “My beef with Hillary Clinton was that she was such a scripted politician,” said Kukoski, who voted for Bernie Sanders in the Democratic primary.