Richard Milkhous ("That rhymes with White House") Nixon moved his working summer vacation to he south rim of the Gramd Canyon -- a the famous Echo Point. Nixon proclaimed over the point " I am the president." Echo "I am the president." Nixon: "I am the president of the United States." Echo "I am the president of the United States." Nixon: "I am thr greatest president who ever lived................long pause...........Nixon: "Well?" Echo: "I'm an echo, not an idiot." To which our presidentb replied