Starbucks’ union members have voted to strike at the company’s U.S. stores next week unless it finalizes a contract agreement, the union said Wednesday. The strike would begin on Nov. 13, which is the day Starbucks plans to distribute free, reusable red cups. Red Cup Day, a Starbucks tradition since 2018, is typically one of the company’s busiest days of the year. Starbucks Workers United, the union organizing baristas, didn’t say how many stores would be impacted. But it said workers in at