Dr. John Cook, author of "Crucifixion in the Mediterranean World," talks about the Dr. John Cook, author of "Dr. John Cook, author of "Crucifixion in the Mediterranean World," talks about the history of crucifixion and what it can tell us about Jesus’ sacrifice and death.," talks about the history of crucifixion and what it can tell us about Jesus’ sacrifice and death. and what it can tell us about Jesus’ sacrifice and death.