The enthusiasm of the Obama campaign has not carried over to efforts to overhaul the health care system.

In Pennsylvania last week, a citizen, burly, crew-cut and trembling with rage, went nose to nose with his baffled senator: “One day God’s going to stand before you, and he’s going to judge you and the rest of your damned cronies up on the Hill. …

WASHINGTON Much of the money and strategy behind the so-called grassroots groups organizing opposition to the Democrats’ health care plans comes from conservative political consultants, professional organizers and millionaires, some of whom hold financial stakes in the outcome.