Ben Bradlee’s posthumous advice to Jeff Bezos: You need to sell The Washington Post.

In the summer of 2013, the then-owner of POLITICO, Robert Allbritton, asked me a question in a casual, just-shooting-the-breeze tone of voice: Do you think the Graham family would ever sell The Washington Post?

My answer was swift and emphatic: Never. Before becoming a founder of POLITICO, I…