In this articleTGTTarget's Chief Operating Officer Michael Fiddelke will take over as CEO from Brian Cornell.Courtesy of TargetTarget on Wednesday said that company veteran Michael Fiddelke will become its next CEO at a critical point in its effort to break out of a sales slump and win back Wall Street's favor.Fiddelke, the company's 49-year-old chief operating officer and former chief financial officer, will succeed Brian Cornell effective Feb. 1. Cornell, who took the helm of the cheap chic retailer in 20 ...