Intelligence Averts Another Attack -- Why do Democrats in Congress want to change key laws that have helped to discover terrorist plots?

By MICHAEL B. MUKASEY



One would think that the arrests last week of Najibullah Zazi, charged with plotting to bomb New York City subways—and of two others charged with planning to blow up buildings in Dallas, Texas, and Springfield, Ill.—would generate support for the intelligence-gathering tools that protect this country from Muslim fanatics. In Mr. Zazi's case, the government has already confirmed the value of these tools: It has filed a notice of its intent to use information gathered under the Foreign Intelligence Surveillance Act, which was specifically written to help combat terrorists and spies.

Nevertheless, there is a rear-guard action in Congress to make it more difficult to gather, use and protect intelligence—the only weapon that can prevent an attack rather than simply punish one after the fact. The USA Patriot Act, enacted in the aftermath of 9/11, is a case in point. ....