Some places in this country let you vote without ID. Why should you have to show ID to fly? Assuming you are not violently suicidal (99.999999% of all flyers), the only people who actually have a vested interest in your identity should be the airline from whom you purchased the contract to fly you from Point A to Point B.
Read the Great No-ID Airport Challenge. You’ll laugh and cry and clutch your ID tightly to your body as you pass through the scanner that leaves you naked to any bureaucrat who happens to be in the area…