Trainer Marvin Johnson, tied for second in the standings at Horseshoe Indianapolis, has been summarily suspended by track stewards pending the outcome of an investigation. In a related development, veterinarian Cynthia Diane Loomis has also been summarily suspended. The suspensions for both Johnson and Loomis began July 4. Horses that Johnson entered on the July 4 and 5 cards at the track were ordered scratched. When reached by the TDN, Johnson said "this is not a cheating matter." "On May 24, I had pelvic surgery that limited my participation at...