American Idol has announced its preliminary audition dates to find the next William Hung. The eight-city tryout tour kicks off in Cleveland, Ohio, on Aug. 4, followed by Washington, D.C., on Aug. 18; Orlando, Fla., Aug. 26; New Orleans, La., Aug. 31; Las Vegas, Nev., Sept. 12; Anchorage, Alaska, Sept. 28; and San Francisco, Calif., Oct. 5. An audition will also be held in St. Louis, Mo., date pending. Look for lines to be twice as long as they were in the previous three competitions; AI has raised the age limits for contestants to 28.