Apologies to our loyal readers for the break we took over the past Thanksgiving week. Personally I had five days of real work packed into two and a half days, then we had thirty family members to visit and two Thanksgivings meals to attend and leaves to rake and Christmas decorations to put up and roofs to climb and lights to hang. Come to think of it, I need another week off.
So since you did not have an Open Thread for some time, have this one….