Eight horses trained by Joe Sharp at the Fair Grounds meet have been disqualified after testing positive for the drug levamisole. Sharp said that he had another five horses who tested positive for the same drug last fall at Churchill and he is awaiting word from Churchill Downs stewards on that matter. The Louisiana positives were first reported by the Daily Racing Form. The Louisiana horses were all placed last and Sharp was fined $1,000 for each infraction. Levamisole, which Sharp said was found in an over-the-counter deworming product he...