Box Office Preview: ‘M:I 4’ continues global climb (AP)

FILE-  In this file image released by Paramount Pictures, Tom Cruise plays Ethan Hunt, left,  Paula Patton plays Jane, Simon Pegg plays Benji, and Jeremy Renner plays Brandt, right, in a scene from 'Mission: Impossible - Ghost Protocol.'      (AP Photo/Paramount Pictures, David James, FILE)AP – Paramount’s “Mission: Impossible — Ghost Protocol” will maintain its firm grip on the domestic box office with a leading 17 million-plus in Tom Cruise-powered dollars expected for its fourth weekend. By Sunday night, the film should be well on its way toward $400 million worldwide.