Former President Donald Trump is not mentally fit to serve as president, according to a majority of Nikki Haley supporters in North Carolina. Exit polls published by CNN showed what correspondent Manu Raju called “warning signs for Trump” in the Super Tuesday contest. The exit polls indicated that 66% of Haley’s North Carolina voters felt that Trump was not mentally fit to serve as president. Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: ‘America First’ is Trump first, Russia close second Additionally, 81% of Haley’s voters in North Carolina said th…