The 1828 presidential election, which pitted Major General Andrew Jackson against incumbent John Quincy Adams, has long been hailed as a watershed moment in American political history. It was the contest in which an unlettered, hot-tempered southwestern frontiersman, trumpeted by his supporters as a genuine man of the people, soundly defeated a New England "aristocrat" whose education and political resume were as impressive as any ever seen in American public life. It was, many historians have argued, the country's first truly democratic presidential election. It was also the election that...