I’m totally going to the Montgomery County Agricultural Fair on Saturday. It’s an excellent fair, with genuinely fun, scary rides, a demolition derby, pig races, the full Ag competition thing ranging from chickens to rabbits to steer, and all the delicious, fattening fair food you could hope for. So I was deeply disturbed to run across the news this morning that the fair is subject to the county’s trans fat ban, which passed last year…