Left-wing billionaire George Soros’ MoveOn.org has jumped into the fight for a unionized Wal-Mart workforce.

MoveOn.org has sent emails to subscribers nationwide, urging them to descend on Wal-Mart stores on Black Friday. The organization is encouraging people to strike against management even if they aren’t Wal-Mart employees.

“Instead of listening to and learning from its workers, Wal-Mart has sought to silence us and retaliate against those who dare to speak up,” MoveOn.org said in its email to supporters. “Warehouse workers who work for Wal-Mart contractors have also experienced retaliation for speaking out. Now, Wal-Mart workers have had enough.”

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