Richard Blumenthal actually said...

"their conduct there has been destabilizing--the word you used was 'destabilizing'--and abnormal."

"I think we have to contest their revolutionary ideology, and it is not just the United States, but it has to be those in the region."

"How would you suggest that we should address the Iranian destabilizing influence of this regime?"

"Much more aggressive not only sanctions but warnings and actions against their partners in this effort, most prominently the Russians."