Lunch at Smokey D's BBQ in Des Moines, Iowa. Clockwise from top left, Texas toast, pork ribs, turkey, sausage and brisket. I'm a Texan, so it has taken me a few days to get up the courage to write this. The best pork ribs I've ever eaten weren't cooked in the Lone Star State. No, they were cooked about 950 miles north of ATX in Des Moines, Iowa, at a place called Smokey D's BBQ. Sherry Jacobson and I stopped there in the middle of a recent Monday afternoon while driving to Minnesota. "Oh, yeah," I said after taking a…