“The debate so far — over ‘amnesty,’ border control, and guest workers—has assumed that ‘workplace enforcement’ is a good thing. But verifying workers’ employment eligibility, as called for in the Senate… is not such a good idea. It would revive the failing national ID plan in the REAL ID Act, create a mission-creepy surveillance system, and subject every American worker to a bureaucratic gauntlet akin to the Department of Homeland Security’s embarrassing ‘no-fly’ list.”