A Kansas radiologist running for Senate posted grisly X-rays of patients who had been shot on his Facebook page and engaged in joking online banter about the images.Milton Wolf, challenging Sen. Pat Roberts in a Republican primary, acknowledged Sunday that he posted “insensitive” comments online, which he described as “mistakes.”He was responding to a devastating story in the Topeka Capital-Journal, which reported that he wrote that a patient could not complain about the awkward way his head was positioned for an X-ray, published on Facebook, because he was dead. He said a man decapitated by gunfire resembled an alien in...