Geoff Murphy's 1992 sci-fi thriller "Freejack" has a fun premise. In the distant dystopian future of 2009, the ultra-wealthy can afford to hire special time-traveling agents called bonejackers to reach back in time and kidnap people the second before they are about to die. The wealthy then use futuristic technology to shunt their consciousnesses into the bodies of those they kidnapped. It's an effective way to assure immortality, as well as a clean way to acquire bodies that will not be...