President Trump defended White House chief of staff Susie Wiles in an exclusive interview with The Post Tuesday — saying she was right to tell Vanity Fair he has an “alcoholic’s personality” and that he has full faith in Wiles to continue in her role.Trump, 79, reiterated that he avoids alcohol, saying in the interview he has a “possessive and addictive type personality” and that he wasn’t offended by her word choice. “No, she meant that I’m — you see, I don’t drink alcohol. So everybody knows that — but I’ve often said that if I did, I’d have a...