Ralph Nader suggested Obama should face primary challenge . Donna Brazile says Nader should beware creating Democratic disunity . Does Nader suppose the primary challenges in November that wiped out veteran moderate Republican legislators and left the national GOP where it is today -- with energized extreme right-wing purists almost in control -- was good ? She says his candidacy in 2000 took key votes away from Al Gore . Score: 6 Progressives should unite to prevent GOP victory in 2012 .
Ralph Nader suggested Obama should face primary challenge . Donna Brazile says Nader should beware creating Democratic disunity . She says his candidacy in 2000 took key votes away from Al Gore . Score: 6 Progressives should unite to prevent GOP victory in 2012 .