YyhhhhAvatarJuan Perezflipped into techBallmer admits Microsoft needs a new leader for changeverified_publisherThe Verge - Tom WarrenMicrosoft board pressured Ballmer to move a lot quicker Microsoft CEO Steve Ballmer is planning his retirement in the next nine months from the software giant he helped build, but he’s also assisting with a reorganization for his successor. In exclusive interviews with The Wall Street Journal, …