They are calling it “The Red Cup Rebellion” and striking baristas at Starbucks' Merle Hay Road store in Des Moines and Clinton Street store in Iowa City will likely have matching red cheeks following their first day picketing the nation's largest coffee chain.

The union, Starbucks United, said the Des Moines and Iowa City stores were among more than 145 unionized locations in more than 100 cities across the U.S. where baristas were scheduled to walk out Thursday, Dec. 4, as morning temperature struggled to rise above single digits.

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