"Without any doubt at all, teacher quality is the fundamental differentiator. Not just, incidentally, of education, but I would argue, probably the biggest single differentiator of success for the nations of the 21st Century."

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The effects of illegal immigration aren't that different from those of legal immigration —an illiterate Central American farmer with a green card is just as unsuited for a 21st-century economy as an illiterate Central American farmer without a green card.

— Mark Krikorian