New Star Trek Trailer Promises "Dark" Sequel

The latest trailer for "Star Trek: Into Darkness" gives fans some answers to many questions they've been asking about the J.J. Abrams sequel. For instance, we learn that actor Benedict Cumberbatch, who is from the hit BBC TV series "Sherlock," embraces his villainous side and takes on the role of Khan in the movie. Kristina Behr has the details.