Sean Misko is former NSC and is on Shiff's team.   Misko left the NSC a year ago.  The likely chain is Vindman to Ciaramella, Ciaramella to Misko (per Vindman's recommendation), Misko to Schiff. Misko was seen out partying at the 'Hawk and Dove' on Capital Hill last night after the impeachment hearings....