04 Nov 2014 --- WhistlePig Straight Rye Whiskey proudly announces the arrival of The Boss Hog: Spirit of Mortimer, the brand’s much-anticipated follow-up to last year’s Double Gold Medal winner at the San Francisco World Spirits Competition. This top-shelf 100 percent rye whiskey is bottled at full barrel strength; and at approximately 117 to 124 proof, Spirit of Mortimer continues The Boss Hog legacy as WhistlePig’s rarest premium expression.