You call that gray???? (Thank goodness for Preference.) As my dad would say, he "earned every one of them." After dealing with the mess he is walking into, by the time the poor guy leaves office he probably will be totally gray.
Obama is youthful and that's part of his personal appeal. I think his youth (to me he's young)was a plus. People perhaps saw him as young/new and went for it instead of the same ol'/same ol', only emphasizing how much we really want something new.
TIS aka PSA (Polk Salad Annie)
"Mankind must put an end to war before war puts an end to mankind. War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today." JFK
As my dad would say, he "earned every one of them." 
