When people talk about Bourbon, they usually talk about the barrels - they go on about the char levels and whether there was any toasting. After that, they might discuss the age and the time the liquid spent in those nicely charred barrels because, for most people, that time and those barrels denote the liquid's flavour. Occasionally, the conversation may turn to the makeup of the mash bill, such as the percentage of corn, to rye, to barley, or wheat. But very rarely do they ev...