>> abraham lincoln's plan to defeat the south and win re-election depends on ulysses s. grant's two-pronged assault. >> retreat! retreat! >> but, in georgia, william tecumseh sherman struggles to take atlanta, and, in virginia, grant's overland campaign ends in a bloodbath at cold harbor, encouraging anti-war democrats in their fight against lincoln's proposed amendment to abolish slavery. >> have they voted? >> the house voted against the bill. >> the democrats voted against it? >> all but four. >> nothing we have done in the past three years is as important as this amendment. if we cannot abolish slavery, then what does it matter if we win the war?