Morell: Iran's Qassem Soleimani was an "evil genius" who "had a lot of American blood on his hands"
Iran is vowing "crushing revenge" against the U.S. after an airstrike killed its top military commander, General Qassem Soleimani. U.S. officials had been hinting at a move for some time. CBS News national security correspondent David Martin reports on the latest, and Michael Morell, CBS News' senior national security contributor and a former acting and deputy CIA director, joined "CBSN AM" to discuss.