Riggan Thomson, unlike the drummer of Whiplash, the year's other film about an artist who beats thimself to prove his worth, is his own sadistic taskmaster. Michael Keaton’s character in Birdman or (The Unexpected Virtue of Ignorance) lives on the thin line between hysterical delusion of grandeur and the sobering reality that he just might not matter. Riggan is an actor whose success in a series of “Birdman” movies has made him a global star. He decides to test himself by producing, writing, and starring in the Broadway adaptation of Raymond Carver’s short story “What We Talk About When We Talk About Love.” Read more . . .