Nearly two-thirds of Americans say the health care overhaul signed into law last week costs too much and expands the government’s role in health care too far, a USA TODAY/Gallup Poll finds, underscoring an uphill selling job ahead for President Obama and congressional Democrats.

Those surveyed are inclined to fear that the massive legislation will increase their costs and hurt the quality of health care their families receive, although they are more positive about its impact on the nation’s health care system overall.