New WaPo/ABC Poll: Disapproval Obama's handling of health-care issue reached 50 percent. 42% "strongly disapprove his dealing with domestic priority.

Public confidence in President Obama's leadership has declined sharply over the summer, amid intensifying opposition to health-care reform that threatens to undercut his attempt to enact major changes to the system, according to a new Washington Post-ABC News poll.

Among all Americans, 49 percent now express confidence that Obama will make the right decisions for the country, down from 60 percent at the 100-day mark in his presidency. Forty-nine percent now say they think he will be able to spearhead significant improvements in the system, down nearly 20 percentage points from before he took office.

As challenges to Obama's initiatives have mounted over the summer, pessimism in the nation's direction has risen: Fifty-five percent see things as pretty seriously on the wrong track, up from 48 percent in April. (Continues here)