MOSCOW - Sanat Parmanova arrived at Moscow's flagship McDonald's just off Pushkin Square on Aug. 22 evening as a woman on a mission. Her friend Svetlana Toktorbayeva was carrying a takeout bag of wings from KFC, but Ms. Parmanova had a different dinner in mind: a double cheeseburger, country-style fries, cheese sauce and a medium Coke, no ice.