Michael McCaul actually said...

We want peace, but not peace at any price, because peace at any price is like appeasement.

I would only do that if they were complicit with a crime.

If Mr. Putin does not agree to a 30-day ceasefire, I think the sanctions are almost certain

You want to vet them again? Go ahead. But they've already been vetted, and probably the most thorough vetting in American history.