If you’ve ever heard someone order a Coke and get asked, “Is Pepsi okay?” you know the answer is probably "no," even if they say "yes" to be polite. For some people, that question lands like a minor ...

Coke Zero vs. Pepsi Zero: Both sodas want your drink dollars. I remember the original Pepsi Challenge, back in 1975, when Pepsi shook the soft-drink world to its fizzy, caramel-colored core by ...