Pennsylvania is kind of like Lake Woebegon--ABOVE average, when it comes to pretzel consumption. Compared to the average Wegman's for exmple, stores in Pennsylvania sell 25 percent more pretzels. In this installment of our ongoing series, "Pennsylvania Potluck," WPSU's Cynthia Berger visits one source of all those pretzels . . . Benzel's Pretzel Bakery in Altoona.