Let this be a lesson to all of you out there who suddenly realize everything you've devoted your professional lives to is worthless and destructive: Keep it to yourself! After Pat O'Brien fired off an e-mail to the ET and Insider staffs insisting their programming is making Middle America barf, he was swiftly beckoned to HQ, whereupon a mutually arrived decision "to part ways" came about, a rep for the show confirms. "We wish Pat much success." What's next for Pat? We hear Soap Network's Girlarrhea : The Search For The Last Pussycat Doll is looking for a host! [NY Daily News ]