Stuart Varney: Ebrahim Raisi's death gives President Biden an opportunity

During his "My Take," Monday, "Varney & Co." host Stuart Varney discussed the death of Iranian President Ebrahim Raisi after a helicopter crash on Sunday, arguing the sudden death of the "Butcher of Tehran" entrenches Iran in turmoil and gives Biden leverage.

STUART VARNEY: Iran's foreign minister and its president are dead. 

Killed in a helicopter crash. The country is in turmoil. It is divided and vulnerable.

IRAN'S PRESIDENT, FOREIGN MINISTER, OTHER OFFICIALS CONFIRMED...