There are four former Goldman Sachs execs helping out in Trump's White House in pretty prominent positions: Gary Cohn, Steve Mnuchin, Dina Powell, and Steve Bannon. Though they all share a Wall Street background, a new Vanity Fair piece reveals the internal conflicts among these bank-execs-turned-White-House-officials, and how their experience at Goldman might influence the way they approach their roles. The best part: the candid quotes from former Goldman colleagues who arguably know these four better than most.