Cao was subsequently unseated in 2010 by the Democrat Cedric Richmond , who still holds the seat .
In 2008 , Wagner served as manager for the successful campaign of Joseph Cao for Louisiana 's 2nd congressional district .
Joseph Cao was subsequently unseated in 2010 by the Democrat Cedric Richmond , who still holds the seat .
In 2008 , Wagner served as manager for the successful campaign of Joseph Cao for Louisiana 's 2nd congressional district .