I'm pretty sure they use 100% cane sugar for the Passover Coke runs, but I don't know for sure about any other brands. And I agree with you that it probably wouldn't matter. I've never investigated this at the level you did in your Daily Gullet piece, "Crystal Unclear," but I've certainly never been able to tell the difference between beet and cane sugar when used in baking, etc. -- most of the time I'm not even sure which I'm buying. Is there even a chemical difference at all between the two in their ultra-refined forms? Cane Sugar soda is actually quite common in Latin American countries. Get thee to a Mexican, Colombian or Domincan-owned grocery store, and tehy'll have Coca-Cola, Squirt, Jarritos and any number of sodas (in glass bottles) made with cane sugar.