Sen. Jon Tester (D-Mont.) joins Meet the Press for an exclusive interview to discuss the future of the Democratic Party, after Sen. Kyrsten Sinema (Ariz.) announced her decision to become an independent. Former U.S. Attorney Preet Bharara talks about his 2010 prosecution of arms dealer Viktor Bout, the prisoner exchange with Russia that saw Bout released and the Justice Department’s investigation into former president Donald Trump. Panelists Cornell Belcher, Sara Fagen, Garrett Haake and Kristen Welker join the Meet the Press roundtable.