Alright - here is my two cents.. and some of it has already been mentioned.
America is unique. Where else is there a country that is so culturally diverse, and that diversity protected as in the USA? Yes, there are injustices, but America never claims perfection.
State another country that has been able to hold a constitution as long as the USA. Although its been 200+ years since the constitiution has been enacted, there has only been a few admendments to it. The fathers of the US Constitution had the foresight to keep the power out of the hands of one individual and give the power to the masses, even tho this is a republic.
This is a great country.
ofcmad