Erin Burnett Outfront

Judge: McGahn must testify in impeachment probe; Judge: President Trump may not be immune from testifying, says "no one is above the law"; Subpoena indicates prosecutors eyeing Giuliani's business; Fired Navy Chief: Trump interfering in Navy SEAL case sends message that "You can get away with things"; Buttigieg's challenge: Courting Black voters; Black voter on Buttigieg: "He has to find what makes us tick"; Bloomberg entered race because he saw "greater risk" of Trump getting re-elected; Senator Sherrod Brown on 2020: "I think it's a wide open race"; Obama wants 2020 Democrats against "purity tests"; Senator Sherrod Brown: What GOP says privately on impeachment probe is different than what they're saying publicly; Senator Sherrod Brown: Hard to respect GOP colleagues who show "no spine in standing up to" President Trump; Top dog at White House today via Knit