GOP senators are cautiously optimistic they will be able to fend off any effort to call new witnesses. But with several of their colleagues still undecided ahead of Friday’s vote, the possibility of a 50-50 tie is seen as the one remaining wildcard in a trial whose outcome is all but certain to end in acquittal.
Roberts, who didn’t respond to a question this week about possibly casting the deciding vote, is facing pressure from Democrats to allow witnesses, after they unsuccessfully attempted to insert a similar provision in the impeachment rules. Continue reading.