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GREY'S ANATOMY - "Life During Wartime" - Derek and Mark discuss the new chief of trauma, Owen Hunt, on "Grey's Anatomy," THURSDAY, OCTOBER 30 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/ERIC MCCANDLESS) PATRICK DEMPSEY, ERIC DANE
In This Photo: Derek Shepherd, Mark Sloan