Here is a partial list ( there were alot of dems that voted no and I got lazy) of racists democrats that voted against the civil rights act of 1964 and when they stopped being reps/senators. If the parties switched these guys wouldn't be representing the racists democrats up to 2010.
George William Andrews 1972
Robert Emmett Jones 1972
Armistead Selden 1968
Wilbur Mills 1976
James Trimble 1966
Robert Sikes 1978
Charles Edward Bennett 1992
Dante Fascell 1992
Paul Rogers 1978
Don Fuqua 1986
Sam Gibbons 1996
George Hagan 1972
Phillip Landrum 1976
Robert Stephens 1976
William Natcher 1994
Joseph Waggonner 1978
Otto Passman 1976
Gillis Long 1986
Jamie Whitten 1994
Lawrence Fountain 1982
David Newton Henderson 1976
Roy Taylor 1976
Joseph Evins 1976
John Patman 1976
Herbert Roberts 1980
Olin Teague 1978
William Poage 1978
James Claude Wright 1989
Grand Wizard Robert Byrd 2010
James Eastland 1978
Sam Ervin 1974
Russell B. Long 1987
John L. McClellan 1977
John Jackson Sparkman 1979
John C. Stennis 1989
Herman Talmadge 1981