Do you remember Michael Keaton? You know, fairly plain-looking, blond, receding hairline? I recall seeing his name on the cover of the family copy of “Beetlejuice,” above the centered image of a man with no distinguished facial characteristics, some gross makeup and a cheap pinstriped suit. And he was in Tim Burton’s version of Batman, … Continue reading ‘Birdman’ offers delightful meta-commentary on actors and our true selves