In 1875 Mary Lincoln, the widow of a revered president, was committed to an insane asylum by her son, Robert. The trial that preceded her internment was a subject of keen national interest. The focus of public attention since Abraham Lincoln's election in 1860, Mary Lincoln had attracted plentiful criticism and visible scorn from much of the public, who perceived her as spoiled, a spendthrift, and even too much of a Southern sympathizer. Widespread...