Harvesting others' thoughts in my kitchen garden

Bush made it clear that "Comprehensive Immigration Reform Must Include A Tamper-Resistant Identification Card For Every Legal Foreign Worker So Businesses Can Verify The Legal Status Of Their Employees." But doesn't that mean that all workers—regardless of country of origin or citizenship—will have to show a "tamper-resistant identification card"? Let's leave aside for the moment that there ain't no such thing as a tamper-resistant anything: It's a simple fact that anything that applies to immigrants will have to apply to U.S. citizens (no, no, don't you see—only immigrants will have to show documents showing they are immigrants? Umm...)