The smoke from the Confederate shelling of Fort Sumter had barely cleared when Robert Gould Shaw, the son of wealthy abolitionists, volunteered for the Union cause in 1861. Federal troops withdrew from the fort in Charleston Harbor on April 13, 1861. Robert Gould Shaw joined the 7th New York Militia six days later.  He didn't see combat with the New Yorkers. Instead, he waited out that enlistment and joined the 2nd Massachusetts Infantry from his home state as it was forming. Commissioned as a...