A growing list of retailers is asking patrons to leave their firearms behind when shopping. CVS, Walgreens and Wegmans Food Markets on Thursday joined other large chains in requesting that customers refrain from openly toting guns in their stores, even if they live in states that allow the practice. The moves follow similar changes in “open carry” policies earlier this week by Walmart and Kroger. Walmart, the world’s biggest retailer by revenue, has been under intense pressure after separate shootings that recently killed 24 people in two of its stores within a week. In announcing the shift, company CEO Doug McMillon described multiple incidents of people “attempting to make a statement” by entering a Walmart wielding firearms, scaring workers and customers. Read more at CBS News.