Stapleton, Staten Island. Holding on to the rest of New York by a ferryboat, it's not the kind of place where a real Private Eye would live. But Sam Russo does. In Good Dog, Bad Dog, he and his dog Jane barely missed gruesome deaths. That's twice now.The 1949 Kentucky Derby is about to run. Sam, who counts out his life by Derbies, has his seat by the radio all picked out. He'll be listening with Jane and his new friend Holly.Holly lives right next...