As are many smart people within the USA, obviously, or were you being sarcastic and trying to suggest that the original quote somehow implies a belief that the USA is immune from those problems?
Whoops, instant controversy =) I didn't mean to accuse the original quote of American nationalism; that would be like accusing early Christians of Jewish or Roman nationalism. Every new moral system sees itself as universal. But also every moral system has some geographical origin from where it spreads, by force if necessary. For the moral system that uses the terms "racism" and "sexism", the place of origin is the USA.
A monthly thread for posting rationality-related quotes you've seen recently (or had stored in your quotesfile for ages).