Republican debate: tough questions edge Carson and Trump out of limelight

Establishment politicians like Rand Paul and Jeb Bush snatch back control from 'outsider' candidates during substantive, volatile fourth TV encounter The eight top Republicans jostling for position in the race for their party's presidential nomination engaged in the most substantive but also the most volatile and feisty debate of the 2016 cycle on Tuesday night as the race for the White House entered a new and more demanding phase. Two hours of debate in the Milwaukee Theater in Wisconsin saw th...