White House hopeful Sanders delivers left hook after Brooklyn brawl

By Luciana Lopez and Jonathan Allen NEW YORK (Reuters) - Democratic presidential hopeful Bernie Sanders built on a combative U.S. presidential debate, pressuring front-runner Hillary Clinton on Friday over her high speaking fees and minimum-wage stance before Tuesday's crucial New York nominating contest. Sanders and Clinton challenged each other's judgment and experience in New York's Brooklyn borough on Thursday night in their most bellicose of nine debates, laying bare the mounting pressures