1.   Armstrong and Aldrin conducted the first moon walk four days later.

2.   Asking about the lunar landing, he and other acquaintances of Armstrong said, would breach his privacy, even though the moon walk was televised worldwide.

3.   Aldrin sat on the White House stage Wednesday along with Michael Collins, who piloted the command ship Columbia in lunar orbit during the moon walk.

4.   But conquering cancer is more like a medical Vietnam than a moon walk.

5.   But not everybody who follows this path does the moon walk.

6.   The vibrant, acrobatic ballet is punctuated by moon walks and stunts on wheels.