Starbucks announced on Tuesday that it is replacing CEO Laxman Narasimhan with Chipotle chief Brian Niccol, marking the coffee giant's fourth chief executive in two years.  Niccol will take over as CEO of the coffee chain starting Sept. 9 following his six-year stint at Chipotle.Narasimhan, who was tapped to take over for interim CEO Howard Schultz in March 2023, is also stepping down from Starbucks' board effective immediately.  SUPREME COURT SIDES WITH STARBUCKS IN CASE OVER FIRED PRO-UNION WORKERS Starbu ...