The couple who teach us to talk across the political divide | Simon Jenkins

They are from opposite ends of the political spectrum, but they are happily married because they obey the oldest rule of politics – courtesy

Caroline Sommerfeld is very right wing. Helmut Lethen is very left wing. Both are German academic writers. She regards him as fixated on hating Nazis. He regards her as a racist bigot. They are in the news because they love one another and are happily married.

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