Preview: 'Looper'

POSTED: 12:29 PM PDT Apr 16, 2012    UPDATED: 06:59 AM PDT Apr 17, 2012 
Looper

Time travel always causes problems -- especially if you run into your future, or past, self. That's the dilemma of Joseph Gordon-Levitt and Bruce Willis -- the same person, 30 years apart -- in the new movie "Looper."