MEGAN MCARDLE:

Every single time I write about health insurance, commenters and emailers flock to tell me that I wouldn’t feel this way if I, or anyone I know, had been sick and uninsured.

I’m afraid the empirical evidence indicates that you’re wrong. I was uninsured, with asthma and an autoimmune disease, for years as a freelancer. I was then, if anything, more opposed to national health insurance than I am now.

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