Shhh…your speakeasy password for free firewater courtesy of Boardwalk Empire.

Go Go’ers, have you been busily refining your recipe for bathtub gin in anticipation of  Boardwalk Empire: Terence Winter (and Martin Scorsese’s pilot) paean to Prohibition and its profiteers? No need!  Thanks to HBO and Canadian Club, you can toast the booze-fueled bloodbath that was the Noble Experiment (and the much-anticipated series that celebrates it) for…