Above me the sky is white. Snow as fine as sand drifts down. Under my feet, the ground is white. I am cocooned by white. It is cold. The whole last week has been subzero. The temperature bottomed out at -40 degrees Fahrenheit a couple nights ago. Or that is my best guess, as my electronic thermometer quit reading after -39 degrees. I had no intention of poking my nose out the front door to look at the mercury thermometer. Cold is cold. Now, it had warmed up to -7. Wow. Following days cooped up in the house, I went…