The day after the Pearl Harbor attack my grandfather literally dropped everything he was doing and enlisted. Why? A visceral disgust that resulted in a sense of

The day after the Pearl Harbor attack my grandfather literally dropped everything he was doing and enlisted. Why? A visceral disgust that resulted in a sense of responsibility, or duty to take action. I know a lot of people who did the same after 9/11. War is dumb but a strong military is necessary, and I'm sure others here can explain the game theory behind it all.