It's midnight at the Texas Canyon rest stop and the moon is so bright it feels like daytime. We got the last spot at the rest area, beating a semi-truck to the spot by mere seconds. We're in Arizona, having just spent a couple days 25 minutes from the Mexico border in a little town called Tubac, where our friends showed us how to live it up in a town full of retirees. This desert air and scenery is doing us well and that's a good thing because we'll be seeing this terrain for