Today's discussions:WaPo columnist Eugene Robinson, Axios' Alexi McCammond, WaPo's Aaron Blake, and Donny Deutsch on Rep. Matt Gaetz potentially engaging in witness tampering the night before Michael Cohen's open testimony;WaPo columnist Eugene Robinson, Axios' Alexi McCammond, WaPo's Aaron Blake, and Donny Deutsch on Trump and North Korean dictator Kim Jong Un arriving at Vietnam for their second nuclear summit;WaPo columnist Eugene Robinson, Axios' Alexi McCammond, former federal prosecutor Glenn Kirschner, WaPo's Aaron Blake, and Donny Deutsch on tomorrow's public testimony by former Trump lawyer and fixer Michael Cohen;WaPo columnist Eugene Robinson, Axios' Alexi McCammond, former federal prosecutor Glenn Kirschner, WaPo's Aaron Blake, and Donny Deutsch on news reports that the House Judiciary Committee might have evidence that Trump asked his Acting Attorney General to move a loyalist back into place to oversee the investigations out of the SDNY.