On a conservative website a pro-lifer said the movie "verified the beauty of life and the rightness of protecting it". At a conference for young Republicans, the editor of the conservative magazine National Review urged participants to see the movie because it promoted monogamy. The movie is March of the Penguins, and of all the responses it has evoked perhaps the most surprising is its conservative appeal. Conservatives are hardly its only audience; the film is the second-highest grossing documentary of all time, behind Fahrenheit 9/11. But some have seen its stirring depiction of the mating ordeals of emperor penguins...