Danny Finklestein knows what it's like to be a defeated conservative. Here's part of his advice to the GOP:

You need to change. If you didn't, you wouldn't have lost. How much change? Well, you might think some moderate adjustment is necessary. But while it may be a mistake to project the British experience on to yours, we found that we needed huge change, much more than we anticipated. It took Tories years to cotton on.

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