As the idea of incorporating the Bible into classrooms gains traction, concerns about the mission of public schools — and differences across the faith — have led even some conservative Christians to push back.

© Desiree Rios for The New York Times

The Wellstone tradition of left-populism, once so central to the Democratic Party’s brand, that must be recovered.

Readers discuss his community contributions and how he could boost rural America. Also: The Costco effect; all-out weddings; publishing’s problem.

China has moved thousands of people to new settlements on its frontiers. It calls them “border guardians.”