A New York doctor being treated for Ebola has found another way to pass the time in a hospital isolation ward: He's playing his guitar, city health officials say. Dr. Craig Spencer, 33, has been in isolation at Bellevue Hospital since being diagnosed with Ebola last month. He's now listed in stable condition, and city officials said he continues to improve.... The New York-based emergency room doctor had been treating Ebola patients at a Doctors Without Borders medical center in Guinea when he was infected. He arrived back in the United States on Oct. 17 and was diagnosed with Ebola...