By Contributing Columnist Donavan Hall Over the last week or so, the weather on Long Island turned cool. A few of the trees in my yard took this as a signal to start dropping their leaves — my yard is littered with auburn, brown, garnet and orange. The signs of Fall are everywhere. Last weekend, I took my family to the Garlic Festival (see Denise’s article on Growers and Grocers), the second in what might prove to be an annual event. In addition to last weekend being a celebration of garlic (I was seriously tempted to brew a garlic beer…