You know why that, or any kind of voter identification system, will never be implemented or enforced.
Sadly, yes, I have a pretty good idea, and it involves pandering to the illegals. Well that's one reason, and the dems will never go for it because it eliminates fraud.
And the ACLU will claim its unfair because transgender people may not be dressed as the same sex as the person on their license.
It could even be connected to the state department showing the death rolls, so the dead couldn't use their licenses to vote after dying.