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When a film isn’t screen for critics, it’s usually because it isn’t good. But what studios don’t realize is that by not screening the movie, like they’re doing with G.I. Joe: Rise Of Cobra, they are usually setting themselves up for a bad review when film critics are mad about no screening. Or at least that is the theory presented by Entertainment Weekly film reviewer Owen Gleiberman.

Look, we critics do depend on screenings — it’s the only way we can review movies in a timely fashion,” writes Gleiberman. “What goes on now is that the movies that don’t get screened are, in effect, pre-judged.” So while G.I. Joe: Rise Of Cobra has been getting mostly positive reviews from those who were able to see it, there’s the chance that even those critics who do like it will slight it out of anger. Of course that’s not fair, but that’s how the entertainment business works.

All of this review and screening talk hasn’t seemed to affect the cast of G.I. Joe though. Stars Sienna Miller and Channing Tatum popped by The Early Show to talk about the movie (check out the video after the jump). It’s so cute watching Channing and Sienna chat, with the best part coming when they show his Dirty Dancing spoof. I love that video.

So really, who knows if the movie is going to be any good? I guess we’ll all just have to wait and see what the audiences think at the box office. But honestly, any movie that has a shirtless Channing Tatum and Marlon Wayans is fine by me.

Gallery Info: Channing Tatum looking good after interview with Regis and Kelly and Late Night With Jimmy Fallon.