"I don't know what the word for smoking gun is in Farsi is, but clearly the United Nations, not known for speaking clearly on many topics, is now telling us one clear thing -- which the Islamic republic of is designing and moving towards building nuclear weapons,” said Kirk.

Kirk, along with Sen. Chuck SchumerCharles (Chuck) Ellis SchumerSenate Dems hold floor talk-a-thon against latest ObamaCare repeal bill This week: Senate wrapping up defense bill after amendment fight Cuomo warns Dems against cutting DACA deal with Trump MORE (D-N.Y.) spearheaded an effort earlier this year to push the White House to move to collapse of the Central Bank of Iran as reprisal for that nation’s persistent nuclear efforts.

The Kirk-Schumer letter, signed by 92 senators the Senate urge the White House  “to impose crippling sanctions on Iran's financial system by cutting off the CBI."