Today, we may remember the 54th Massachusetts Infantry, also Sgt. William Harvey Carney, at the Civil War Battle of Fort Wagner from the 1989 film "Glory." The critically-acclaimed film was released more than 30 years ago, but it stands the test of time for many reasons.  The most important reason is that it's reasonably true to the history of the unit, with a few of Hollywood's usual dramatic licenses. The 54th Massachusetts was the first all-Black regiment raised in the Union to fight in the...