Matt Damon is looking to reteam with Paul Greengrass on an adaptation of “Imperial Life in the Emerald City” for Universal.Damon, who worked with Greengrass on the second and third installments in the “Bourne” franchise, would play a composite character based on figures in Washington Post scribe Rajiv Chandrasekaran’s tome about chaos in Iraq. Endeavor is finalizing negotiations, now down to scheduling issues. Tim Bevan and Eric Fellner are producing for Working Title. Besides “The Bourne Ultimatum,” an August release for U, Damon appears in “Ocean’s Thirteen” for Warner. He has a small role in “Youth Without Youth,” Francis Ford Coppola’s WWII romance for Sony Pictures Classics set for release in December. Greengrass helmed “United 93” for Universal last year.