Military objectives were achieved in Korea and Vietnam in the sense that we killed lots of people. What we learned (and really, already knew from WW2, where we

Military objectives were achieved in Korea and Vietnam in the sense that we killed lots of people. What we learned (and really, already knew from WW2, where we very intentionally did not invade the Japanese home islands) is that killing lots of people on an enemy's home soil just turns a lot more people against you.