Starbucks union baristas have voted to authorize an open-ended strike.

Starbucks union baristas have voted to authorize an open-ended strike.

Starbucks Workers United union OK'd a strike that could begin on its annual "Red Cup Day" if the coffee company fails to reach a bargaining agreement.

Red Cup Day, a Starbucks tradition since 2018, is typically one of the company’s busiest days of the year.