European countries emerge as NATO leaders as U.S. role recedes

President Trump attends a bilateral meeting with NATO Secretary-General Mark Rutte on the sidelines of the World Economic Forum annual meeting in Davos, Switzerland, on Jan. 21.

President Trump’s decision to leave NATO in the dark before launching strikes on Iran has inflamed tensions and is putting new urgency on rethinking the alliance.

(Image credit: Chip Somodevilla)