Check link below. It's a cartoon serie I did about U.S. intervention in Vietnam. These images are hosted on vietvet.org, a web site maintened by open-minded (north) american Vietnam veterans. Looking at these cartoons, you will realize that U.S. foreign policy has not changed a single milimeter from Vietnam to Afeghanistan.
Original: Vietnam and Afeghanistan: U.S. foreign policy stands the same (cartoon serie)