Caplan discusses the ideas of his book in today's Wall Street Journal:
Twin Lessons: Have More Kids. Pay Less Attention to Them..
http://blogs.wsj.com/ideas-market/2011/04/11/twin-lessons-have-more-kids-pay-less-attention-to-them/

He outlined his ideas at http://econfaculty.gmu.edu/bcaplan/fee.htm .


"To see what is in front of one's nose needs a constant struggle." - George Orwell