I mean... duh. :-D
Wisdom, intelligence, humility, bravery - he is the embodiment of all values that we hold most dear in this great nation.
(Question: Is this okay to ask a "leading question" in this community? Answer: since this is mainly a test post meant to get us started, I will ask a counter-question: why da fuq not!?:-P)
Because he's a Green Lantern.
Oh is that why. I prefer to think of him as not having special powers, just that he has become what any of us could, if only we were to put in the effort to do so:-P.