Seven years after the US banned waterboarding as an interrogation technique, Donald Trump admits he'd revive its use if he were American president.
But speaking at a Republican debate on ABC, the billionaire remained largely at odds with the other Presidential candidates ahead of Tuesday's New Hampshire primary.
Meanwhile, Marco Rubio - another contender for the Republican nomination - has come under attack from his rivals who are challenging him for the nomination to run for the White House.
He was accused of being 'too inexperienced' by Governor Chris Christie.
