“Sopranos” actress Jamie-Lynn Sigler is speaking out for the first time about having multiple sclerosis. She opened up to People magazine about her struggle with the disease and revealed that she was diagnosed 15 years ago. She says she is talking now about her disease because she wants the world to know it does not define her. Sigler says these days she tires easily and can’t run but she maintains a fighting spirit and is hopeful about her future.