Your Song"So excuse me forgetting, but these things I do" -I never forgot hearing that in the operating roombefore the surgery on my fractured hip socketwhen I was twenty-nine. My eight-month old soncried at the sight of me when my wife brought him to the hospital; my face was cut and suturedand there were bits of windshield glass in my skin.Today he is almost twenty-nine and I sitbeside him in an orthopedic surgeon's waiting room,his ankle in a cast, his crutches on the chair arm.Surgery was a week ago. The trauma was froma basketball game rather than a car crash,and to an Achilles tendon rather than a hip. His wifeis away s