“He’s always been a malignant narcissist, but that narcissism now has no frontal lobe restraints,” Cobb said , speaking to former MSNBC host Mehdi Hasan in a video published Saturday by Zeteo. As someone who reported directly to Trump , Cobb was asked by Hasan whether he believed Trump was legitimately in “cognitive mental decline.” “The cognitive decline is real,” Cobb said bluntly. Cobb continued, arguing that the president’s increasingly erratic behavior was a clear sign of what he described as a “frontal lobe illness.” “All of those are indicative of frontal lobe illness.”