In the summer of 1864, the American Civil War had been dragging on for over three years with no end in sight. Things had not gone well for the Union, and the public blamed the president for the stalemate against the Confederacy and for the appalling numbers of killed and wounded. Lincoln was thoroughly convinced that without a favorable change in the trajectory of the war he would have no chance of winning a second term against former Union general George B. McClellan, whom he had previously...
