I said, "Look, I take orders from head of state—Prof over there. If he wants opinions, he’ll ask. No use yelling at each other." I looked at watch. "Call it two and a half minutes. More margin, of course, for other targets; Kansas City is farthest from deep water. But some Great Lake cities are already past ocean abort; Lake Superior is best we can do. Salt Lake City maybe an extra minute. Then they pile up." I waited.