Mr. Feingold's censure proposal fell far short of a demand for impeachment.
But the censure proposal provided Republicans an opening.
Equally problematic was whether the Senate could agree on any censure proposal if a trial was truncated.
Those options should include a tough censure proposal, which would impose a fine and block any pardon.
He said his censure proposal was not "a harsh approach, and it's one that I think should lead to bipartisan support."
If the resolution fails, the Senate will turn to a censure proposal.
If the resolution failed, the Senate would then consider a censure proposal, an alternative that is already being hotly disputed.
Still, the censure proposal is a bad idea.
Democrats are working to assemble a censure proposal that could draw the support of most of their party and some Republicans.
But the House Judiciary Committee rejected a censure proposal last week.