NATO Secretary General Jens Stoltenberg is asking the alliance’s member states to make longer-tern commitments to Ukraine by guaranteeing to at least maintain – if not increase – their current level of support for the next few years. Stoltenberg has put the total value of allies’ aid over the last two years at €80 billion ($87 billion) – an average of €40 billion per year. He wants them to make a long-term commitment to maintain that, as a minimum, dpa has learned. In the spring, Stoltenberg proposed that allies should provide €100 billion over the next five years – equivalent to €20 billion p…