We talked before about how MacArthur had a kind of scheduled morning craziness with his son Arthur, who would enter his room promptly at 7am and pummel his father awake. Then together they\u2019d sing songs\u2014old army songs Douglas had taught him\u2014with Arthur still slurring his R\u2019s\u2014while dad shaved and got ready for work.As William Manchester observes in his amazing biography of the complicated man, MacArthur believed that his son was the only one who appreciated his singing. \u201cHe was wrong,\u201d ...