Ashley J. Tellis, a US strategic affairs analysts said that “we do not know with confidence” how much damage the US attack on Iranian nuclear facilities has done. Even the Chairman of the United States Joint Chiefs of Staff, General Dan Caine has not endorsed President Trump’s claim that the nuclear facilities have been “completely and totally obliterated”. Tellis says it could take a while before we find out with any certainty how much damage has been done. Watch the full interview.