My nose was itching for some leaf must and my feet for their crunch, so last weekend, Walker drove me up to my second cousin's spectacularly refreshing and beautiful pumpkin farm in Connecticut. We stepped out of the car onto the gravel slope and the rich smell of autumn--earthly, dry, and cold--made the drive worth it all instantly. And then, there was this: Buzzing with rich fall colors, over 50 varieties of winter squash and pumpkins, and themed after the Wild West, there was a lot to do, an…