Preparing for the next attack As Washington was fretting about ballistic missiles, 19 hijackers Used commercial airliners to kill more Americans than had died in any previous attack in the country´s history. And there could be worse to come. The United States is the target of a few hostile nations and well- organized terrorist groups, some of them state sponsored. They understand that nuclear or biological weapons could do the job even better. To meet these new threats, Washington must pursue three simultaneous strategies: Prevention, deterrence, and defense. Missile defense is not the Whole answer- and it could even become part of the Problem