this sunday, impeached. >> article 1 is adopted. >> donald trump becomes the third president to be impeached. but he and his supporters dismiss the democrats' vote. >> it doesn't really feel like we're being impeached. >> what will the senate trial look like? speaker pelosi delays sending over the articles until she's sure. >> it looks like the prosecutors are getting cold feet. this is really comical. >> if the house case is so weak, why is leader mcconnell afraid of witnesses and documents. >> my guest marc short chief of staff to vice president pence and impeachment juror senator cory booker of new jersey. plus the democratic race, after a debate in which pete buttigieg was the target of amy klobuchar. >> we should have someone heading up the ticket that is actually won -- >> and elizabeth warren.