What Happens if America Turns Its Back on Its Allies in Europe
Faltering U.S. support for Ukraine and comments from Donald Trump about NATO have caused alarm in European capitals.
By Katrin Bennhold, Steven Erlanger, Eric Krupke, Olivia Natt, Mooj Zadie, Marc Georges, M.J. Davis Lin, Devon Taylor, Marion Lozano, Elisheba Ittoop and Alyssa Moxley