If you are a longtime reader, you will know my wife has lung cancer. It is not from smoking or radon or any environmental cause. When we first got married, due to my wife's family history of breast cancer, she had a prophylactic mastectomy. Sixteen years later, having thought we dodged a bullet, doctors diagnosed her with a genetic form of lung cancer. In fact, the day the Mayo Clinic called my wife, at roughly the same time, doctors were wheeling me into a cardiac ICU unit not expecting me to live. If I ever hear "the next 24 hours"...