KEY POINTS
  • Sen. Bernie Sanders is making Democrats nervous. But some supporters say it's not because he can't win in 2020. It's because he can.
  • The Vermont independent may have surprised the party's establishment with his strong performance so far. He's polling second, behind only former Vice President Joe Biden who has yet to enter the race, and he has raised more than other Democratic contenders.
  • "All their power is in giving money to politicians and controlling them. Bernie Sanders doesn't want their money. They are going to fight Bernie Sanders harder than any Republican will," progressive pundit Cenk Uygur says.
2020 Democratic presidential candidate and U.S. Senator Bernie Sanders (I-VT), speaks at the 2019 National Action Network National Convention in New York, April 5, 2019.

Sen. Bernie Sanders is making mainstream Democrats nervous.

But some of the presidential candidate's supporters say it's not because they're worried Sanders can't defeat President Donald Trump in 2020. It's because he can, they say.