Drew Pinsky’s six-year-old HLN show, “Dr. Drew On Call,” has been canceled by CNN, effective Sept. 22. CNN Money, in its reporting of the announcement, connected it to a broader shakeup at HLN, including the end of Nancy Grace’s flamboyant show devoted to criminal court cases. But the decision came eight days after Pinsky’s comments on a radio show on Aug. 17 questioning the health and medical care of former secretary of state Hillary Clinton, the Democratic nominee for president. After looking at bits and pieces of Clinton’s health-care records she made public in 2015, he said he was “gravely...