. >> t.r. reid, a former overseas bureau chief with "the washington post," toured the world's health care systems for his recent book, "the healing of america." >> the least efficient payers in the world are the american private insurance companies. they have administrative costs at 20 to 30%. that's a 30% tax on every dollar you spend on health care. britain is totally socialized medicine, administrative costs, 5%. canada is private doctors and public payers, 6% administrative costs. so it turns out, in health care, governments are doing this more efficiently than our private sector. >> one reason, says reid, private insurers in america spend more money on non-medical costs, like ads and reviewing claims to help them stay profitable. another way governments can be more efficient when they are footing the bill is by having a more coordinated approach to health care. for instance, the nhs rewards primary care doctors with bonuses for achieving certain measures of good health, like getting patients to