"a miracle of compressed intelligence nearly as admirable for potent simplicity, in my opinion, as Einstein's e=mc2." Vonnegut explained: "With the Vietnam War going on, and with its critics discounted and scorned by the government and the mass media, Krassner put on sale a red, white and blue poster that said FUCK COMMUNISM. At the beginning of the 1960s, FUCK was believed to be so full of bad magic as to be unprintable. ... By having FUCK and COMMUNISM fight it out in a single sentence, Krassner wasn't merely being funny as heck. He was demonstrating how preposterous it was for so many people to be responding to both words with such cockamamie Pavlovian fear and alarm.