William "Mo" Cowan smiles after being announced as Governor Deval Patrick's choice to serve as the interim U.S. Senator, in Boston

 
William "Mo" Cowan smiles after being announced as Governor Deval Patrick
William "Mo" Cowan smiles after being announced as Governor Deval Patrick's choice to serve as the interim U.S. Senator until a special election is held to elect the successor to Former Senator John F. Kerry (D-MA) at the State House in Boston, Massachusetts January 30, 2013. REUTERS/Brian Snyder