While Behe kept implying that his motives were purely scientific (and Josh agreed with him), it is interesting that he asked Josh whether Josh had a detailed explanation for the origin of (something – the flagellum?). Meanwhile Behe has his own arguments, which did not include a detailed explanation of the origin of, well, anything! The ID types keep saying that ID is a theory competing with “Darwinism”, when they present no such theory, but rather a collection of arguments about how “Darwinism” can’t account for the diversity of life. It’s just like saying “Here’s my theory: it’s that for reason X, Y, and Z your theory is no good!”