scott fitzgerald's masterpiece.one of its characters, tom buchanan talks about a fine book titled "the rise of the colored empires." >> have you read "the rise of the colored empires"? everybody ought to read it. >> the idea, tom explains, if we don't look out, the white race will be utterly submerged. >> the idea is that it's up to us, the dominant race to watch out or these other races -- >> it's all scientific stuff. it's been proved, he says. fitzgerald might not have been endorsing these sentiments, the character who mouths them, tom buchanan, is one of the least admirable characters in the book, representing a certain kind of unthinking, vulgar rich man. and yet in 1921, just a few years before he wrote "the great gatsby," fitzgerald wrote a letter to a critic explaining his own views. the negroids sneak through. raise the bars of immigration and permit only scandinavians, anglo-saxons and celts to enter. fitzgerald seems aware his views were not politically correct. he adds in the letter, my reactions were al