BOSTON — A major drugstore chain is shutting down another location in Boston in just a matter of days and people who live in the area are concerned that they are now living in a “pharmacy desert.” The Walgreens at 416 Warren Street in Roxbury will shut its doors for good come Martin Luther King Jr. Day, becoming the chain’s fourth city location to close in a little over a year. In late 2022, Walgreens suddenly shuttered locations in Mattapan, Hyde Park, and on Washington Street in Roxbury. Some Boston City Councilors have blasted the company for closing stores in...