Ex-CIA chief: We should take possible ISIS chemical attack plan "seriously" A new report warns ISIS followers in the Middle East may be plotting a chemical attack on the U.S. The report, based on intercepted conversations, shows the desire by ISIS to use chlorine or other weapons of mass destruction on American soil. Former CIA deputy director Michael Morell joins "CBS This Morning" to discuss how the threat could be carried out and Vladimir Putin's claims that Russia has a new generation of nuclear weapons.