"I wish I could be better to live up to the character that Viola has to play, but it's exciting," the former first lady tells ET. "Anything Viola does, she does it with passion and vigor, and I know she will do no less for this role." ALSO: Michelle Obama shuts down Jimmy Kimmel's questioning about her and Barack Obama's sex life.
TOPICS: Michelle Obama, Showtime, The First Lady, Jimmy Kimmel, Viola Davis