Ever since 9/11, the media and congressional critics have waged a relentless battle against President Bush for not doing enough to prevent the terrorist attacks. Now these same critics have begun a campaign against the Bush administration for doing too much to prevent the next attack. The latest example is the New York Times revelation that after 9/11, Mr. Bush authorized the National Security Agency (NSA) to intercept communications with an overseas nexus to uncover information about possible al Qaeda attacks. The fact that Mr. Bush bypassed the Foreign Intelligence Surveillance Act (FISA), which lays out procedures for intercepting communications...