Ambrose Burnside, the Union general, was a major player on the Civil War stage from the first clash at Bull Run until the final summer of the war. He led a corps or army during most of this time and played important roles in various theaters of the war. But until now, he has been remembered mostly for his distinctive side-whiskers that gave us the term "sideburns" and as an incompetent leader who threw away thousands of lives in the bloody battle...