President Reagan's death brought to the fore his outstanding accomplishment of ending the Cold War. Like American presidents before him he led the U.S. in the charge against the "evil empire" by forging alliances and sending troops to remote theaters at high cost in blood and treasury. What makes Reagan's vision for victory particularly remarkable is that it stemmed from the belief in the power of technology as both a force multiplier and a game changer. For the three and a half decades that preceded Reagan's presidency, Americans lived in the ominous shadow of a thermonuclear war that threatened to...