But come to think of it, they didn't say which government...
To access these new checkpoints you will be required to present a BOARDING PASS and PHOTO IDENTIFICATION. Tickets and ticket confirmations (such as a travel agent or airline itineraries) will no longer be accepted at these checkpoints.
Interesting comment! I wrote Delta a few months ago suggesting that they not accept drivers licenses as ID from those states that issue them to illegals. Evidently they went me one better. Good news.