The TSA -- the very face of obnoxious, ineffective, ham-handed government to anyone with the misfortune of commercial air travel "in the wake of September 11" -- has launched a blog.

This'll be interesting.

Smarter folk than I find this promising, but it's hard to see where this is going, especially since the bloggers profess surprise at the torrential commentary.

What are the distinguishing characteristics of this institution that makes it a good fit for this communications medium?