When Trevor McCarthy went down in a spill Friday at Aqueduct and broke his collar bone and his pelvis, retired rider Richard Migliore said he was upset but not surprised. Migliore, whose son Joe Migliore is McCarthy's jockey agent, said he had been growing increasingly concerned as New York riders continued to be more and more aggressive while the stewards seem to look the other way. Something like this, he figured, was bound to happen, he said. "People run into each other now with impunity," said Migliore, an analyst on...