Mary took us to the Greyhound station for 8.30am on Tuesday; we weren't particularly looking forward to the 24 hour journey in front of us but it felt good to be on the move again. We got as far as Tucson, which is not very far - still in AZ, when we hit the first problem. Our driver began to argue with his boss about whether we'd pick up some passengers on a broken down bus. We just sat for 40 minutes. He lost the argument so we picked up extra passengers a...