A Democratic National Committee aide says the fact Bernie Sanders is n't a registered Democrat might not be a presidential problem for him . Score: Washington ( CNN ) 7 Sanders has been an independent since the 1980s , but has caucused with the Democrats since coming to Congress in 1991 .
A Democratic National Committee aide says the fact Bernie Sanders is n't a registered Democrat might not be a presidential problem for him . Score: 7 Sanders has been an independent since the 1980s , but has caucused with the Democrats since coming to Congress in 1991 .