NEW ULM, Minn. -- Too bad firefighters didn't have a pile of popcorn handy -- or better yet, loads of lobster tails. An intense fire consumed half of the roof of the Associated Milk Producers Inc. butter packaging plant, sending melted butter flowing out of the facility. There were no immediate reports of injuries, but officials worried that the melted butter would interfere with the railroad tracks bordering the plant's east end. The plant was holding an estimated 3 million pounds of butter at the time of the fire Wednesday. A plant employee discovered the fire in a utility area,...