The US-Russia summit lets Putin get back to the top table of international diplomacy and thumb his nose at critics. Here’s what else he stands to gain.

Donald Trump is ready to allow Russian President Vladimir Putin to block Ukraine from joining NATO—and to keep a slice of stolen land. Ahead of his meeting with European leaders Monday, Trump put pressure on Ukrainian President Volodymyr Zelenskiy to end the invasion of his own country by handing over seized territory and dropping his dreams of belonging to the powerful military alliance.