Members of President Trump’s circle, working in plain sight, have caught the eye of Denmark’s intelligence services for trying to make friends and cut deals on the Danish territory.

© Ivor Prickett for The New York Times

The real threat to a secure and sustainable supply of rare earths is not that they are scarce, but that so much is wasted.

The “Project Vault” initiative is intended to reduce U.S. reliance on China for key technology components.