Kweisi Mfume lost a primary campaign for the United States Senate seat that was being vacated by which American politician and attorney?
Kweisi Mfume:  On September 12, 2006, he lost a primary campaign for the United States Senate seat that was being vacated by Maryland U.S. Senator Paul Sarbanes. Paul Sarbanes: Paul Spyros Sarbanes (born February 3, 1933) is an American politician and attorney.
Paul Sarbanes