And there is evidence to the contrary: whales, mammals like us, lack a key part called Hageman factor but their blood clots anyway (15). Under questioning at a recent meeting (16) Behe finally agreed that the cascade is not IC after all. Indeed, Acton gives reasons why he never should have thought so (14). (As far as I know, Behe has not 'done his homework' on any of his examples except the mousetrap).Very nice link! Bookmarked.