As the cloud of impeachment hangs over the Trump White House, Democrats mull over what’s next. House Intelligence Committee Chair Adam Schiff (D-Calif.) discusses the shifting Republican attitude toward impeachment. Co-chair to the Commission on Security and Cooperation in Europe Sen. Roger Wicker (R-Miss.) and the men behind the Steele Dossier, Glenn Simpson and Peter Fritsch come exclusive to Meet the Press. Also, Neal Katyal says why his new book, "Impeach: The Case Against Donald Trump," provides more details as to why President Trump must be impeached. NBC News correspondent Katy Tur, former Gov. Pat McCrory (R-N.C.), Eliana Johnson, and Michael Eric Dyson join the Meet the Press roundtable.