...down and wrote a letter of criticism and disappointment which reflects the intensity of his feeling at the escape of Lee: The case, summarily stated, is this: You fought and beat the enemy at Gettysburg , and, of course, to say the least, his loss was as great as yours. He retreated, and you did not, as it seemed to me, pressingly pursue him; but a flood in the river detained him till, by slow degr...