Company Unveils ‘Clean’ Pumpkin Spice Latte and New Bottled Beverages Without Artificial Colors, Flavors, Sweeteners or Preservatives St. Louis, 2015-8-19— /EPR Retail News/ — This fall, Panera Bread’s (NASDAQ: PNRA) U.S. bakery-cafes will add a new version of its seasonal pumpkin spice latte and a new line of ‘clean’ bottled beverages that are free of…