Iowa Caucus Preview; 'The Company'; 'Citizen King'

Journalists Mark Halperin and Jonathan Alter preview the Iowa Democratic caucus and make predictions for the outcome. Actor Neve Campbell and director Robert Altman present their new film, "The Company," about life in a ballet company. Filmmakers Orlando Bagwell and Noland Walker present their new documentary, "Citizen King," which reflects on the last five years of Dr. Martin Luther King's life.