As the debate on overhauling the nation's healthcare system continues, virtually everyone still agreed on one point: There are not enough primary-care doctors to meet current needs, and providing health insurance to 46 million more people would threaten to overwhelm the system. The American Academy of Family Physicians predicts that, if current trends continue, the shortage of family doctors will reach 40,000 in a little more than 10 years, as medical schools send about half the needed number of graduates into primary medicine.