No, American Football is not an Olympic Sport. It would be fairly hard to become a new sport in the Olympics considering the schedule the teams/players/coaches go by.
Not at all. In fact, we got the idea for our game from the Canadians, who were playing rugby while our schools were playing something more like soccer. People from all over the world have played...
Becasue so far, only the USA plays football. The IOC doesn't want the USA to "Monopolize" the even (Hasn't Basketball been hte same thing, too?).
If it was added, could you imagine the reaction...