listen, you can't prove the case against me because there are no witnesses to testify. that is the doctrine of forfeiture by wrongdoing, and the supreme court said you can't get away with that. that's exactly what donald trump is trying to do. so these witnesses, the boltons, the mulvaneys, the pompeos, need to be subpoenaed. the motions that are going to be made by the house managers, the prosecutors, to chief justice roberts for subpoenas for these witnesses, those motions must be granted. then the question becomes do 51 senators override chief justice robert's decision to subpoena those witnesses to testify? >> if you look at the polling on this, voters seem to have questions about why these witnesses are not being called. we have a poll showing that 71% of americans think that they