WASHINGTON -- Members of the Minuteman Project stood guard along the Mexican border in Arizona and then patrolled the halls of Congress last month, clamoring for tighter borders to stanch what they call a national security threat. Then Congress passed national standards for driver licenses -- a move rooted in security arguments since 2001. It was also a response to states that, without regard for legal status, issue identification that can be used to board airplanes and enter government buildings. That's a step back for illegal immigrants. But 31/2 years after the terrorist attacks of Sept. 11, 2001, Congress is...