Kelsey Grammer as Dr. Frasier Crane and Shelley Long as Diane Chambers in “Cheers.”Frank Carroll/NBCU Photo Bank/NBCUniversal via Getty Images Grammer, 69, looks back on decades of playing the good doctor and is extremely grateful for Frasier’s talent, calling him “an endlessly fascinating character” who comes to him “as naturally as breathing.” Frasier, created by […]