“Sources and friends close to the Bourne 4 project tell us that Paul Greengrass has quit Bourne 4 and walked away from the project,” a Playlist story reported earlier today. “This actually happened more than a week ago, and we’ve been getting our ducks in a row before publishing this report (and again, we’re shocked Nikki Finke or The Wrap didn’t get wind of this yet and way before us).”