Daniel Barenboim is fueling speculation that he will soon be named La Scala’s next music director, succeeding the ousted Riccardo Muti. Barenboim will be leaving the directorship of the Chicago Symphony next summer, leaving him available for the post in Milan. “In May, the governors appointed a Frenchman, Stephané Lissner, a friend of Barenboim, as general manager and artistic director. It was he who lured Barenboim, 63, back to La Scala, where he last performed 30 years ago. And, in what was seen by insiders as a possible pointer to the future, agreed to his being the first musician to use Muti’s old dressing room.”