W. Kamau Bell has the most practical ‘most indispensable tool’

W. Kamau Bell is one of those people who has always just seemed to be there. From Totally Biased, to Politically Re-Active, United Shades of America, and We Need to Talk About Cosby, his blend of comedy, social commentary, and political activism has helped him stand out. He's won a Peabody and four…