Bush was going to fly into Texas for a photo op, but is now staying away. The modern Presidential entourage is a massive, disruptive thing. Bush will just have to get his photo op from Colorado. I'm sure the WH can work their studio magic from there.
We really need to come up with a better way to evacuate people from cities than just tell everyone to get in their car and go. As we all have learned this leaves everyone without a car behind. Now this policy has lead to worst traffic jam in history. We need a better way.