WASHINGTON, D.C. -- The main reason I am writing this column is that many people have asked me how I first realized I was suffering from a brain tumor and what I have done about it. But I also want to relate the reaction to my disease, mostly compassionate, that belies Washington's reputation. . . . . . When Zelda said to call 911, I again resisted, but she again prevailed. I promptly suffered another seizure in the ambulance, the second of three seizures that day. I gained admittance to the high-quality Brigham and Women's Hospital in Boston, which has...