The story is a little old but worth repeating for those who missed it.
Deborah Davis lives in Colorado. She is a grandmother with a son fighting in Iraq. Every day she takes the bus to work. The bus happens to go through a federal facility in order to drop off federal employees. When the bus pulls into the facility, a guard comes on the bus and demands to see identification. Ms. Davis doesn't think that American citizens riding on public buses should have to show ID, so she refuses to produce proof of identity. So two guards grab her, handcuff her, and cart her off to the guard station... and then wonder "what now?" What do you do when a harmless grandmother refuses to show you her driver's license. They ended up giving her two tickets for minor infractions and sending her off. Eventually all the charges were dropped but the government refused to do away with the policy. So the end result is that the bus company is going to change the routes so that the buses don't go through the facility. It would make much more sense for the guards to check the ID's of people getting off the bus instead of harassing American citizens who just want to get to work. And does anyone really think that asking people on the bus for ID is making anyone at the federal facility safer?