championships. i m in the best shape i ve ever been in and i feel good. he is still scheduled to drive fu time next season and team owner says, quote, we look forward to standing behind trevor and providing him with all the tools he needs as he continues to develop in his young career. he ll also drive a partial cup dri and we wish him the best. arthel: thank you for that report. jon: now to a breakthrough medical discovery that doctors say could transform the way we treat heart disease patients. it s all thanks to a popular tool known as radioactive tracer which has been used in bone imaging for decades. but it is now highly regarded as a new and non invasive way to detect high risk block jamgs in the heart. dr. campbell is an assistant professor of medicine at the university of north carolina. so we ve been using this