Pardon me, Mr President

Donald Trump, like all US presidents, has an unfettered ability to pardon people for federal crimes. So far in his presidency, it's a power the President has used only sparingly. But is that about that change? Today on The Signal, what do the individuals who've received pardons from Donald Trump have in common? And could they be joined by more members of the Trump campaign team, some of Donald Trump's own children, and even by the President himself? Featured: Professor Brian Kalt, Professor of Law and Harold Norris Faculty Scholar, Michigan State University