Politics: The administration stages a photo-op with handpicked doctors who support its health care reform. Fortunately, most doctors still believe that the first rule of medicine is to do no harm. It would seem some doctors still make house calls. Some 150 of them made one at the White House Monday in an attempt to give a booster shot to the administration's chaotic and stalled health care reform drive. Rather than a grass-roots uprising of physicians, this was a classic case of AstroTurfing. Attendance was by invitation only, and 40 of the 150 were said to be members of Doctors...