Although Calvin Coolidge is widely judged to have been a weak and even an incompetent president, this study concludes that he was a leader disabled by a crippling emotional breakdown. After an impressive early career, Coolidge assumed the presidency upon the death of Warren Harding. His promising political career suffered a major blow, however, with the death of his favorite child, 16-year-old Calvin Jr., in July 1924. Overwhelmed with grief, Coolidge...