witnesses and add them later or start with a plan to hear witnesses and vote not to hear them. senators can get votes on all of this. that's what senator schumer is talking about when he says that no matter how this kicks off, they can get later votes on specific trump witnesses. >> i will ask during the impeachment proceeding for a vote on whether mulvaney should testify and whether bolton should testify. any republican who thinks they can escape having to vote on this, no matter how quickly mitch mcconnell tries to truncate the trial doesn't know the rules. >> doesn't know the rules. mcconnell knows them. he was talking about them and how they apply to this very issue of witnesses back in 1999. >> under the rule srules, to deh impeachment trials, it would take 51 votes to call a witness, unless two-thirds of the senate agreed to do otherwise. >> fact check true. if republicans unite around,