Below the Mason Dixie Line everything is coke. Even Pepsi is called Coke. But a Coke is a Coke,except when it isn't. And if it isn't, you're probably somewhere in the South. In a seemingly homogeneous place like the United States, there's still nothing standard about what people in different parts of the country call soft drinks. In the South, it's Coke — or coke, to be generic — even if you're really asking for a Pepsi. In Minnesota, it's pop, in Arizona, it's soda. In Northern states, iced…
