Although he's run for president twice and has served in the Senate since 1972, Delaware Sen. Joseph Biden is still a relative unknown, according to a CBS News/New York Times poll released today. The poll (August 15-20, 1014 RV) shows 13% have a favorable impression of Biden and 12% an unfavorable, leaving 72% who are undecided or don't know enough.

A recent Rasmussen poll finds more respondents with an impression of Biden, with 43% favorable and 38% unfavorable. Biden is seen as politically liberal by 41%, moderate by 22% and conservative by 15%.

Although he's run for president twice and has served in the Senate since 1972, Delaware Sen. Joseph Biden is still a relative unknown, according to a CBS News/New York Times poll released today. The poll (August 15-20, 1014 RV) shows 13% have a favorable impression of Biden and 12% an unfavorable, leaving 72% who are undecided or don't know enough.

A recent Rasmussen poll finds more respondents with an impression of Biden, with 43% favorable and 38% unfavorable. Biden is seen as politically liberal by 41%, moderate by 22% and conservative by 15%.