You could pluck the left’s (astonishingly stupid) response to the events unfolding in the Middle East right out of an anti-war demonstration on Fifth Avenue, held on July 7th, 1941. “Why not peace with Hitler?” a now infamous sign read. “Hitler has not attacked us. Why attack Hitler?” declared another. One demonstrator held a poster board demanding, “Stay out of Europe,” and another stated, “Arm Britain and prolong the war.”