I called in to Think Out Loud the other day to make both of the guests unhappy. They were discussing, on the show, the relative merits of real versus artificial Christmas trees. One of the guests was a Christmas tree farmer and the other one was a trade representative for a consortium of artificial Christmas tree makers. I made the first guest unhappy by reminding listeners that anyone (at least here in the forested West) can get a five-dollar tag from the Forest Service to c