As a columnist who regularly dishes out sharp criticism, I try not to question the motives of people with whom I don't agree. Today, I'm going to step over that line.

The recent attacks by Republican leaders and their ideological fellow-travelers on the effort to reform the health-care system have been so misleading, so disingenuous, that they could only spring from a cynical effort to gain partisan political advantage. By poisoning the political well, they've given up any pretense of being the loyal opposition. They've become political terrorists, willing to say or do anything to prevent the country from reaching a consensus on one of its most serious domestic problems...

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