In the aftermath of the Watergate scandal, new rules were designed to keep the FBI out of politics. But President Trump says it’s happened again. He claims agents were improperly used by the Obama Administration to build a phony case of collusion between his aides and Russia. Democrats say he’s sullied the agency’s reputation to divert attention from special counsel Robert Mueller’s investigation. Warren moderates a lively debate about the FBI, politics and the rule of law.