CBS “Face the Nation” host Margaret Brennan on Sunday battled Secretary of State Marco Rubio over President Donald Trump’s decision to strike Iranian nuclear facilities Saturday, challenging the interim White House national security advisor on the language around Iran’s “weaponization ambitions.

The U.S. didn't need proof Iran's Ayatollah Ali Khamenei had given an "order to weaponize" the country's uranium stock ahead of airstrikes against the country, Secretary of State Marco Rubio told "Face the Nation" host Margaret Brennan Sunday.