A strike among Starbucks workers has expanded to more than 300 stores nationwide, including some locations in Upstate New York. Starbucks Workers United, the union representing more than 10,000 Starbucks baristas at 535 company-owned U.S. coffee shops, began a five-day strike Friday in Los Angeles, Chicago and Seattle. The work stoppage expanded to 60 stores Monday and is now affecting more than 300 stores as of Tuesday morning, according to The Washington Post.