uncle bob
When I go to Thanksgiving, all the people there will be reasonable. Also, this will be in Minnesota where politics are not discussed. And if they are discussed, my Father-in-Law has well developed techniques to run interference, as is his responsibility as head of the hosting household. There will be chairs to get from the basement (always wait until the last second to ask Greg to help with the chairs, just in case he starts talking politics!). The dogs are trained to make a fuss when given secret hand signals. That sort of thing.
But you may not be as fortunate as I am. Perhaps you will…