POLO ANYONE?--Mounted patrol officers from the Columbus Police Dept. use a large ball to simulate crowd-control tactics, at Berliner Park, in Columbus, Ohio, on Tuesday, June 29, 1999. The Mounted Patrol is preparing for the throng of over 500,000 partygoers that will gather in Columbus for the annual Red, White & Boom celebration that will be held of Friday, July 2. (JACK KUSTRON../photoj.com )