>> johnston says we should leave. we must, if possible, save the troops. it says to evacuate vicksburg. >> [ sighs ] >> sergeant, i will not abandon vicksburg. ♪ [ indistinct conversations ] ♪ >> pemberton -- he was an able officer in mexico. he's a good northern who's just [chuckles] fallen in with bad company. i suppose that once the slaveholders get their hooks into you, it's hard to get them out. >> doesn't your own wife come from a slaveholding family? >> she does.