On today’s ID the Future from the vault, distinguished British physician and author David Galloway explains why he’s convinced that the human fetal circulatory system is irreducibly complex and therefore beyond the reach of a blind gradualistic evolutionary process. In this second half of his conversation with host and fellow physician Geoffrey Simmons, Galloway also mentions some molecular machines that he’s convinced are irreducibly complex and point decisively to intelligent design. This is Part 2 of a two-part conversation.