Participants invited to summarize the essays on Chipotle’s packaging for a chance to win one of 500 Amazon Kindle Paperwhite e-readers DENVER, 2015-9-16 — /EPR Retail News/ — Chipotle Mexican Grill (NYSE: CMG) today announced the latest installment of its popular “Cultivating Thought” author series, and with it a new online sweepstakes called the Super Short Book Report.…