'Billions' actress Maggie Siff: My characters keep getting killed off

Actress Maggie Siff’s credits include some of TV’s best-loved shows, including “Mad Men” and “Sons of Anarchy.” Now she plays the wife of a U.S. attorney who’s also the in-house performance coach for a hedge-fund king – and a domestic dominatrix – on Showtime’s freshman series “Billions.” On TODAY she jokes about her characters’ tendency to get killed off, saying, “They can’t do this to me!”