Check out some of the best local art in town and head to the 78th street studios Third Friday Art Walk. Tour the more than 50 galleries which will open their doors from 5:30 to 9 tonight. Or you can catch the cast members of the Emmy-winning show “Who’s Line Is It Anyway” in a stage production at the State Theater called “Who’s Live Anyway”? The improvisational laughs get started at 8 tonight.