Two weeks ago, Carl Icahn announced that he was leaving his position as President Trump’s special advisor on regulatory reform. A few hours later, The New Yorker’s Patrick Radden Keefe published a story documenting how Icahn used his influence to attack regulations that hurt his business interests at oil refineries. Keefe joins guest host Jeffrey Toobin to discuss what Carl Icahn’s short, strange stint as an advisor and what it tells us about the Trump administration’s relationship with Wall Street.