Katy Perry takes "California Dreams" to more U.S. cities

The already robust North American leg of Katy Perry's "California Dreams Tour" has been extended well into September, with the latest round of shows comprising eight new stops in the Midwest and South.The pop star, who also will have played dozens of international shows before the year is over, is now scheduled to visit 50 North American cities in 2011, beginning in June. Perry currently is