More Than 80 Percent of U.S. Dog Owners Buy Presents for Their Pets at the Holidays With Many Last-Minute Shoppers, PetSmart Makes It Easier for Pet Parents to Get Last-Minute Gifts PHOENIX, 2016-Dec-21 — /EPR Retail News/ — As the online shopping window is closing for traditional home delivery, PetSmart announced today (Dec. 19,…