Today's discussions:

Former senior FBI official Chuck Rosenberg, former assistant director at the FBI Frank Figliuzzi, NBC News' Carole Lee and Donny Deutsch on Roger Stone's not guilty plea and Michael Cohen's upcoming congressional testimony;

Former New Jersey governor Chris Christie on why he turned down the Chief of Staff position, overcoming marriage hardships, and what the president thought of his new book;

Former Governor of New Jersey Chris Christie joins Nicolle Wallace to discuss his relationship with the president, the White House staff, and his new book "Let Me Finish"

Today's discussions:

Former Republican strategist Steve Schmidt, former DOJ spox Matt Miller, Bustle's Alicia Menendez, and The Root's Jason Johnson on the political strategy to beat Donald Trump in 2020;

Former Republican strategist and advisor to Howard Schultz Steve Schmidt on the political newcomer, what to expect in 2020, and how Trump changed the political game;

AP's Jonathan Lemire, former DOJ spox Matt Miller, Bustle's Alicia Menendez, The Root's Jason Johnson, and former senior CIA official John Sipher on the lack of detail surrounding Trump's private conversations with Russian president Vladimir Putin;

AP's Jonathan Lemire, former DOJ spox Matt Miller, Bustle's Alicia Menendez, The Root's Jason Johnson, and former senior CIA official John Sipher on the president's rebuke of his intelligence community over Russia, ISIS, and more high-level security threats.