President Barack Obama has ruled out U.S. military engagement with Russia over Ukraine, arguing Wednesday that it “would not be appropriate,” or good for Ukraine, for the two powers to use force to work out the conflict.“We are not going to be getting into a military excursion in Ukraine,” the president said in an interview with NBC’s San Diego affiliate, KNSD, one of several he did Wednesday. “What we are going to do is mobilize all of our diplomatic resources to make sure that we’ve got a strong international coalition that sends a clear message, which is that Ukraine should decide their destiny.” “Obviously, you know, we do not need to trigger an actual war with Russia,” he said. “The Ukrainians don’t want that. Nobody would want that.”At this point, “one of the most important things we can do” is for Congress to pass a bill providing aid to Ukraine, he said, “at a time when they have an economic crisis to go along with this political crisis.”