In modern times, some critics have belittled Abraham Lincoln's antislavery resolve as shallow. Some have portrayed him as a passive president, waiting upon the bold initiatives of others. 'Citizen Lincoln' regards him differently. First, it portrays Lincoln's animus against slavery as rooted in the highest ideals of the American Revolution, which he saw as being corrupted in his own time. Second, it analyses Lincoln's supposed 'passivity' as more aptly defined as wise caution. Lincoln learned as a legislator, first in Illinois and later in the United States Congress, that bold initiatives...