I think we have to believe in things we don't see. That's really important for all of us, whether it's your religion or Santa Claus, or whatever. That's pretty much what it's about.
For me, something will come in my head and I'll either end up calling my cell phone to record it, or I'll just pick my guitar up and see what comes out. Sometimes it sucks, sometimes it doesn't. So there's really no set method behind it.
The Americans may think they have 'liberated' Baghdad but the tens of thousands of thieves - they came in families and cruised the city in trucks and cars searching for booty - seem to have a different idea what liberation means.