Because he HAS Too…..
I continually point out here that the guy REALLY isn’t one….
While some Democrats do NOT know that he isn’t a party member ….(He’s an Independent )
The Democratic party establishment has forced the issue….
If Bernie wants to run for the Democratic Parties Presidential nomination?
He HAS TOO join the party….
THAT will be forthcoming….
Sen. Bernie Sanders plans to sign a party pledge affirming that he will run for president as a Democrat in 2020 and serve as one if elected, senior campaign adviser Jeff Weaver told CNN on Wednesday.