In "The March of Folly," Barbara Tuchman asked, "Why do holders of high office so often act contrary to the way reason points and enlightened self-interest suggests?" Her assessment of self-deception -- "acting according to wish while not allowing oneself to be deflected by the facts" -- captures the conditions that are gripping President Obama and the Democratic Party leadership as they renew their efforts to enact health-care reform.

Their blind persistence in the face of reality threatens to turn this political march of folly into an electoral rout in November. In the wake of the stinging loss in Massachusetts, there was a moment when the president and the Democratic leadership seemed to realize the reality of the health-care situation. Yet like some seductive siren of Greek...