| Резюме: |  Shannon Stapleton/Reuters
- Sen. Bernie Sanders' campaign has been on the upswing for the past few months, and he's faced attacks on all sides as a result.
- Though critics of Sanders have suggested he's not a true Democrat, given he serves Vermont as an independent in the Senate, this just doesn't seem to matter to younger, progressive voters.
- After the Iowa caucuses, there's growing evidence Sanders is more electable than his Democratic critics have stated.
- Visit Business Insider's homepage for more stories.
"You know, he's not registered as a Democrat, to the best of my knowledge," former Vice President Joe Biden said of Sen. Bernie Sanders of Vermont in late January.
This point has often been raised by Democratic critics of Sanders, who is running as a Democrat in 2020 but represents Vermont in the Senate as an independent. Sanders, who faced similar attacks in 2016, signed a loyalty pledge to the Democratic Party last year under Democratic National Committee rules. See the rest of the story at Business Insider NOW WATCH: A law professor weighs in on how Trump could beat impeachment See Also:  |