Stephen Mull, a former U.S. diplomat, also says Iran may choose a covert response after the U.S. strikes on its nuclear facilities.

The Kremlin said on Wednesday that it thought it was too early for anyone to have a realistic picture of damage inflicted on Iran's nuclear facilities by U.S. airstrikes. Kremlin spokesman Dmitry Peskov was responding to a question about damage assessments offered by President Donald Trump who has suggested that the U.

Former nuclear weapons inspector David Albright joins Meet the Press NOW to react to a preliminary intelligence assessment showing that U.S. strikes failed to destroy Iran’s nuclear program. NBC News’ Kelly O’Donnell and Courtney Kube report on President Trump’s NATO press conference and his meetings with world leaders at the summit.