Last Thursday, the American Enterprise Institute hosted a debate on “Darwinism and Conservatism” in which Discovery Institute fellows John West and George Gilder sought to persuade conservatives that the scientific theory of evolution is incompatible with their political ideology, no doubt by attempting to link evolution to eugenics and abortion. That same night, the idea was tested in a more practical theater: the Republican presidential debate. John McCain was asked whether he believes in evolution – his answer, after a pause, was yes. Then the co-moderater asked for a show of hands: