Final answer:
George Saunders had a short story published on a Chipotle cup in 2014 as part of the "Cultivating Thought" series.
Step-by-step explanation:
The author who had a short story published on a Chipotle cup in 2014 is George Saunders. This initiative was part of a series called "Cultivating Thought," where Chipotle featured stories by various authors on their cups and bags to provide customers with literary entertainment while they enjoyed their meals. George Saunders is known for his short stories, essays, and novels, and his work on the Chipotle cup is just another example of his reach as an author.