by Zoe Pollock

Alan Durning draws a metaphor:

Imagine if state law made it difficult for pizza joints to sell by the slice. You’d have to buyand eata lot of pizza when you got a hankering. Either that, or you’d have to give up on pizza entirely. By-the-slice pizza lets light eaters save money without giving up pie entirely.

The car insurance market is like a no-slices pizza world. You have to buy a lot of insurance, even if you only drive a little. Or you have to give up driving – or drive illegally without insurance.

Washington state senator Phil Rockefeller introduced a bill to eliminate restrictions against mileage-based car insurance.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.