Alicia Silverstone on role in "A Merry Little Ex-Mas" and 30th anniversary of "Clueless"

Actor Alicia Silverstone stars in, and is the executive producer of, "A Merry Little Ex-Mas." She plays a recently divorced mom who is planning the perfect Christmas, until it's interrupted. She talks to "CBS Mornings" about the film, drawing on experiences in her own life for the role and discusses the 30th anniversary of the iconic movie "Clueless."