“Don’t Panic.” ~ Douglas Adams, The Hitchhiker’s Guide to the Galaxy Yesterday was one of those days. I spent four hours working on a new 800-word column, only to watch it completely disappear from my computer monitor when I accidentally hit the wrong key. Gone. Totally gone. All my attempts to retrieve the piece failed; I couldn’t “undo” whatever I did to zap it. It didn’t help that I’d been rushing because I was scheduled to visit my cardiologist for a follow-up EKG later that afternoon. (I was sure everything would be off the charts, thanks to the morning’s calamity.) But I took a deep breath. I thought of the British meme,…