Biden needs to show he’s ‘with it’ at ‘extraordinarily important’ NATO summit, former diplomat says CNBCBefore Biden can save Ukraine, he must use the NATO summit to save himself CNNNATO’s 75th anniversary summit in Washington clouded by political chaos The Washington PostNATO Summit Puts Biden’s Fitness Under a Microscope The Wall Street JournalSecretary General arrives in Washington ahead of NATO Summit, meets with US Secretary of Defense NATO HQ