Two Pennsylvania breweries are feuding over their Christmas beer. Troegs Brewing in Harrisburg -- maker of the popular Mad Elf Ale -- wants Fegley's Brew Works in Bethlehem to stop using the name Rude Elf's Reserve. Too similar, Troegs says. The brewery has asked the U.S. Patent and Trademark Office to cancel Fegley's trademark. Click here to read a story by the Patriot-News.