Is there a reason why ssn numbers can't become national id numbers? It's the easiest path, all you need is to make new cards with biometric information (probabl

Is there a reason why ssn numbers can't become national id numbers? It's the easiest path, all you need is to make new cards with biometric information (probably a photo). The number can remain. Even if you add a validation digit, it can be computed algorithmically so you don't need to change tje database.