Former FBI Director Robert Mueller, who later investigated Donald Trump’s Russia ties, has passed away at the age of 81. Mueller leaves behind a multi-decade legacy where he worked with presidents on both sides of the aisle. Rachel Maddow joins “The Weekend: Primetime” to react to Mueller’s passing and the monumental legacy he’ll leave behind. MS NOW: My Source for News, Opinion, and the World. » Subscribe to MS NOW: youtube.com/@msnow MS NOW is the go-to destination for domestic and international breaking news, and best-in-class opinion journalism. For more context and news coverage of the most important stories of our day click here: ms.now #RobertMueller #Trump #RachelMaddow