On Monday, I stepped up to the line at my trusty downtown Chipotle Mexican Grill just as the server was replenishing the sour cream. She had on one glove, but the operative hand was bare and she got a few dots of the creamy, white stuff on her palm. Then, she LICKED it off. I tried to play it cool and asked the server to wash her hands as she slipped on a glove covering the contamination. The transaction didn't happen, needless to say. After leaving the restaurant, I tweeted my outrage. Chipotle corporate folks responded lickety-split — in two...