On Saturday, August 25th, the world lost one of its last great explorers. Neil Armstrong - Eagle Scout, decorated combat pilot, test pilot, and first human being to set foot on another celestial body - passed away from complications stemming from heart surgery. He was 82 years old.I feel a particular sense of loss at this, because Armstrong was one of my greatest personal heroes, and not just because he was tapped to be the first person out the door of the Eagle . Firstly, he saved that landing: the landing zone they'd chosen turned out, at the last possible moment, to be covered in boulders, too dangerous to attempt to land on. Armst...