So, four days into my Arizona sojourn, I’ve come down with a massive chest cold. It might be the flu. It’s not hot here, but it’s not really cold enough to have built a fire  during the day or to be wearing a big old fleece jacket I found lying around the house. I’m freezing. And I woke up with a chest that felt like when I used to get croup as a kid — I had to rocket off and stand in a hot shower for ten minutes before I could breathe. And so, about noon, after not eating…