“I’m often invited to simply choose between countries. I don’t do that,” UK Prime Minister Keir Starmer said on Monday ahead of his China trip. The visit – after Canadian Prime Minister Mark Carney’s Beijing trip drew US tariff threats – is an attempt to drag British foreign policy into alignment with 21st century realities: a world of strategic rivalry but deep economic interdependence. Starmer’s remarks are not diplomatic wordplay, but a declaration the United Kingdom will no longer be a...