GENOA, Italy  Doctors said Tuesday they were cautiously optimistic about Formula One driver Robert Kubica's recovery, saying he was responding well to treatment and getting ready for more surgery to stabilize fractures he suffered in a rally car crash. Considering the seriousness of his injuries from Sunday's crash, Kubica's condition has improved and "let us hope for the best in the future," said a medical update from the Santa Corona hospital. The 26-year-old Polish driver underwent seven hours of surgery Sunday after a high-speed crash […]