From the moment the battle ended, Gettysburg was hailed as one of the greatest triumphs of the Union army. Celebrations erupted across the North as a grateful people cheered the victory. But Gabor Boritt turns our attention away from the rejoicing millions to the dark mood of the White House--where Lincoln cried in frustration as General Meade let the largest Confederate army escape safely into Virginia. Such unexpected portraits abound in Lincoln's...