From FDR in the 1930s on , some have argued that parties should be polarized . We 're seeing consequences of Republicans as liberal party , GOP as conservative one , authors say . Yes , it is true that in selecting a presidential candidate , both parties have chosen men who on the surface seem moderate centrists . They say this has led to gridlock and the loss of talented leaders who can work with other party . Paul Ryan , Obama : Zuckerman , FDR have been firing up ideological base of their parties .
From FDR in the 1930s on , some have argued that parties should be polarized . We 're seeing consequences of Republicans as liberal party , GOP as conservative one , authors say . They say this has led to gridlock and the loss of talented leaders who can work with other party . Paul Ryan , Obama : Zuckerman , FDR have been firing up ideological base of their parties .