HALIFAX, NS – 2 Crows Brewing has announced details of six beers that are being released this weekend to mark the brewery's 6th anniversary. Mambo No. 1 / Mambo No. 2 / Mambo No. 3 / Mambo No. 4 (9.7% abv) are all variants of the same batch of Imperial Stout which was "split into 4, and that is w