Associated Press
People walk from a USA Drug store in North Little Rock, Ark., Thursday, July 5, 2012. Walgreen Co., said Thursday it will spend about $438 million to buy a 144-store chain focused on the mid-South based in Little Rock, Ark. Stores in the chain include USA Drug, Super D Drug and May's Drug, located in Arkansas, Kansas, Mississippi and Missouri, among other states. (AP Photo/Danny Johnston)

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