If Donald Trump is found not guilty of the charges against him, it could be a “huge boost” for him politically and culturally, says former White House chief of staff Mick Mulvaney.“If the charges are as weak as I think they are based upon the leaks, Donald Trump is tried, Donald Trump … is found not guilty,” Mr Mulvaney told Sky News Australia.“What a huge boost that would be to Donald Trump – politically, culturally.“He could look back and say, ‘I proved that this was a political witch hunt, even in Manhattan, people who don’t like me found me not guilty of this’.”