Synopsis

Scott Pelley gains remarkable insight into the progress of prosthetic limbs. Fred Downs, head of prosthetics for the Veterans Administration, demonstrates the almost science fiction-like devices now transforming lives. In our second story, Lesley Stahl investigates the factors driving the rise in gun sales and explores why some advocacy groups are urging Americans to arm themselves. Finally, we turn to the glamour of casino gaming, viewed through the perspective of Steve Wynn, one of the i