Will a White House insider turn on Trump? Special guest and former Nixon White House counsel John Dean thinks so as he compares the current impeachment drama to the Watergate era. CNN's law enforcement analyst Josh Campbell fills in as guest host. He's joined by Dean and CNN's senior political reporter Nia-Malika Henderson to talk through the impeachment headlines of the day, including new public polling, a high-profile addition to the Trump defense team, and the White House's scathing letter declaring it won't cooperate with the inquiry.