If you spend 72 hours in a place you've never been, talking to people whose language you don't speak about social, political, and economic complexities you don't understand, and you come back as the world's biggest know-it-all, you're a reporter. Either that or you're President Obama.

The problem in Afghanistan is really not so much land as water. It's a dry country with ample amounts of water running through it, but not to good enough effect.

Kabul is a walled city, which sounds romantic except the walls are pre-cast reinforced concrete blast barriers, 10 feet tall and 15 feet long and moved into place with cranes. The walls are topped with sandbags, and the sandbags are topped with guard posts from which gun barrels protrude.

P. J. O'Rourke Quotes