"Hey, Hey, LBJ...
How many kids did you kill today?"
Nobody who lived then will forget who was the President. Had Kennedy not been shot, I wonder what would have happened to his reputation.
Nixon was elected on the promise that he had a plan to get us out of Vietnam. He got us out, eventually, but there were years of dithering, and finally, in 1972, when it became a campaign issue again, it became a reality.
Never underestimate the value of withdrawing troops during an election year.
His initiatives in China, the Soviet Union, and the Middle East, on the other hand, were remarkable.