Few writers have more cause for mourning the end of the cold war than Tom Clancy. Starting with The Hunt for Red October (1984), his five thrillers, heavy on technology and all bearing directly or aslant on the threat of superpower confrontation, have sold 28 million copies. His Clear and Present Danger appeared in 1989 and, astonishingly, went on to become the top-selling novel of the '80s.
But the onetime insurance salesman scribbles on, apparently undaunted by the prospect of world peace, although Jack Ryan, Clancy's doughty, repeat- performance hero and deputy director of the CIA, admits to a few worries:...