Roger Waters has added a few mountains of money to the veritable range of cash-topped peaks in his bank accounts after staging The Wall all over the country in recent years. But the former Pink Floyd mastermind isn't stopping there; as his old band's albums get the reissue treatment, Waters is plotting another Wall tour in 2012 that will hit markets he didn't visit the first time, with a special emphasis on "Saturday nights in baseball stadiums," he told Rolling Stone. "As we speak, I'm at my office working on an outdoor version of the show."