On a conference call with industry analysts on Thursday, Walgreens CEO Tim Wentworth announced the company’s intention to eliminate a significant portion of its U.S. stores over the next three years. While describing a quarter of the 8,500 stores as “underperforming,” Wentworth announced that the company would close a “significant portion” of these locations. However, according to Wentworth, the precise number of closures is still undecided. Wentworth also stated that Walgreens will implement certain modifications at the remaining underperforming locations in an effort to bring them back to life. If that doesn’t work, then “we will continue to consider closure...