Not much to say, really, except it’s twenty below zero this morning! Twenty below! When I was a kid that was the magic number — the number at which even the grownups would concede that it was Really Cold Outside. Twenty below and Dad would drive me to school instead of making me go wait for the bus. Twenty below and the parents would set the egg timer when we were really little, so we wouldn’t get frostbitten (except for that time Up North when they all got chatting and forgot us, and I had to sit on Ray Kennedy’s…