Seth MacFarlane and Alex Bortstein shared a touching moment onstage at the Ahmanson Theater last week. Taking a short break from the long instrumentals of the Flash Gordon theme song, they trotted offstage together. Upon their return, Borstein wiped her mouth, fixed her hair, and stepped back to the mike...as MacFarlane zipped up his pants. Not long after, they introduced their parents, sitting in the first few rows of the audience. It was a quaint,......