Ever wondered why one of the primary requirements for a whiskey to be called bourbon is that it has to go into a new, charred oak barrel? Because that is where bourbon gets about 60% of the flavor you taste. Why do some bourbons have a heavier caramel flavor, and others more of a honey? Some have more vanilla flavor than others? The char level of the barrel. Knowing about the barrel and char preferences you have can help you identify other bourbon that you're likely to enjoy. W...