If Walmart struggled with launching health clinics, is there any hope that Walgreens could succeed? Walgreens Boots Alliance (WBA -0.35%) is in the midst of a turnaround strategy that includes launching hundreds of health clinics. In recent years, Walmart (WMT 0.07%) has also shown interest in healthcare, opening dozens of health centers nationwide within its stores. But last week, Walmart announced it's giving up on that strategy. Walgreens investors may be breathing a sigh of relief, knowing that the comp ...