All bourbon is whiskey, but not all whiskey is bourbon.Two bottles diverged on a shelf in a liquor store: one bourbon, one whiskey. You stood there trying to tell the difference between both. You stood there staring at the labels, but the answer was still elusive. Here's a simple explanation of why all bourbon is whiskey, but not all whiskey is bourbon. In the end, we hope it will make all the difference for connoisseurs of bourbon and whiskey a…