Trump doubles down on taking political dirt: I talk to foreign governments everyday, "Should I immediately call the FBI?"; GOP Source: Trump saying he'd take dirt on political rivals from foreign governments is "Really Bad" & "Impeachable"; Pompeo blames Iran for gulf tanker attacks, offers no evidence; Government Watchdog: Kellyanne Conway should be removed from office; Sarah Sanders stepping down as White House Press Secretary; Comes on 94th day without official White House briefing; Lineup for first 2020 Democratic Debate is set; Warren Surges in National Poll, Surpasses Sanders in Nevada; Charlamagne Tha God on Biden's lead among Black voters: He's "Had a seat at the table" for a long time because of Obama; Charlamagne Tha God: Buttigieg can diversify base by "Being Honest" and talking directly to Black people; U.S. Officials: U.S. has imagery showing an Iranian boat removing unexploded mine from Gulf tanker; Making over Air Force One; Trump-StyleTo learn more about how CNN protects listener privacy, visit cnn.com/privacy