“Indeed,” remarked the cinema patrons as they left Robert DeNiro’s latest film What Just Happened? “Was that a comedy or a drama?” said one. “I have no clue,” replied another. “Just keep walking,” urged a third. Did a comedy happen? Or a drama? I was hoping that an absurd series of events would parody Hollywood like Get Shorty. Or maybe a disaffected protagonist grinding his way through a series of soulless setbacks, like directory Barry Levinson’s T.V. series Homicide and Oz. If not that, then two leading actors bantering back and forth and satirizing their field, like another Levinson-DeNiro collaboration …