Over and out: All going to plan, NATO Secretary General Jens Stoltenberg will chair his last summit of the alliance’s leaders next week in Washington. The NATO chief, however, does not show any diminished signs of commitment. In an interview with dpa, the former Norwegian prime minister set out his expectations for Ukraine, and a potential second turn for Donald Trump in the White House. dpa: Mr secretary general, since June 26, it’s official. After 10 years at the head of NATO, your mandate will definitely end on October 1. Are you relieved that the NATO states have finally found a successor …