If there are many brands of one product, in this case bourbon, one brand must be at the top. Here's why the world's best-selling bourbon remains in said spot.

With a staggering score of 97.01, Bowman’s Batch #4 nearly clinched Whisky of the Year at this year’s IWC. The uncut, unfiltered bourbon — which clocks in at 139.7 proof — was crowned both Best ...