that is the historical question. there are real echos of what happened before world war i, right, the great power jockeying, the rise of nationalism, populism, isolation nlism. 100%. you had in the world after napoleon at the risk of sounding like meacham here. god forbid. welcome aboard. you had the rise of napoleon the water is fine, richard. essentially the world stabilized in the second century second decade of the 19th century. then for roughly 50, 75, 100 years you had what was called a concert of europe, the countries of europe worked things out. it broke down in the years running up to world war i and that s, again, the question we have now. we have had 75 years of a managed international environment. are we beginning to see it break down? if so, history suggests it won t be pretty or, again, is this simply a temporary speed bump and then people get scared by