Chants of ''USA! USA!'' followed Ryan Hunter-Reay as fans ecstatically celebrated the Indianapolis 500's first American winner in eight years. They waved flags and roared their approval when, in Victory Lane, Hunter-Reay described himself as ''a proud American.'' ''Being an American boy, I think when you look at maybe the NASCAR side of it, it's all Americans,'' Hunter-Reay said. That's what I love most about it.'' On Sunday, Hunter-Reay earned his first Indy 500 by beating one of the very best in a thrilling finish to the ''Greatest Spectacle in Racing.'' Hunter-Reay peeked around Helio Castroneves, then reversed course and dipped inside for a daredevil pass and the late lead. Castroneves charged back to the front, winning a drag race down the frontstretch at Indianapolis Motor Speedway. More...