The Plot to Perpetuate Slavery: How George McClellan, Southern Spies and a Confidence Man Nearly Derailed Emancipation

In the aftermath of the September 1862 Battle of Antietam, President Abraham Lincoln issued the most significant presidential decree in American history, the Emancipation Proclamation, which would forever free all slaves in territory not under Union control. Nevertheless, his chief military commander in the field, Major General George B. McClellan, was outraged. Within days, two former Union officers nefariously crossed the lines into rebeldom, an initiative resulting in an elaborate subte...