A Wisconsin congressman who's the head of the Congressional Progressive Caucus has endorsed Bernie Sanders for president, potentially giving the senator a boost in the battleground state of Wisconsin

Socialism and progressivism ... what's the difference?

A Wisconsin congressman who's the head of the Congressional Progressive Caucus has endorsed Bernie Sanders for president, potentially giving the senator a boost in the battleground state of Wisconsin https://t.co/0gdEHPwiOB

— Chicago Tribune (@chicagotribune) January 16, 2020