When NHJournal Managing Editor Michael Graham looked around the room at Castro’s Cigar Lounge in Bedford the Friday after the primary and saw three campaign pros/reporters gathered around, he did the obvious thing: Turned on the mic! The result is this improvised podcast with GOP strategist Michael Dennehy, Republican comms pro and Union Leader columnist Patrick Hynes, and NY Sun reporter (and Seacoast resident) Caroline McCaughey. Shaheen vs. S…