James Hinchcliffe will have to wait a little bit longer before he can return to the track. The Canadian driver was evaluated Tuesday and IndyCar's medical team has yet to clear Hinchcliffe to begin Indianapolis 500 practice. The 27-year old driver was diagnosed with a concussion Saturday when he was hit in the head by debris in the inaugural Grand Prix of Indianapolis. He was taken on a stretcher to the Indianapolis Motor Speedway medical center and was later transported to a hospital. More...