WASHINGTON, May 20 -- Former US President Joe Biden has been diagnosed with prostate cancer, his office said Sunday. The finding came after the 82-year-old reported urinary symptoms, which led doctors to discover a nodule on his prostate. He was diagnosed with prostate cancer on Friday, with the cancer cells having spread to the bone. "While this represents a more aggressive form of the disease, the cancer appears to be hormone-sensitive which allows for effective management," a spokesperson said. P13...