Ukrainian President Volodymyr Zelensky says his country will file an expedited application to join NATO after Russian President Vladimir Putin signed treaties to annex parts of eastern Ukraine. In a statement, Zelensky called Ukraine and NATO “de facto” allies and said his country would seek formal membership in the alliance. “De facto, we have already proven interoperability with the Alliance’s standards, they are real for Ukraine — real on the battlefield and in all aspects of our interaction,” Zelensky said. “Today, Ukraine is applying to make it de jure. Under a procedure consistent with our significance for the protection of...