sides together. i'm reading sandberg's "lincoln" and it's remarkable seeing abraham lincoln at the beginning of the civil war because he knew the public wasn't there basically saying hey, this isn't about slavery. i just want to save the union. i just want to save the union. if freeing slaves saves the union, i'll save the union. if keeping slavery saves the union, i'll save the union. and when he got a chance as he moved forward he moved his position but it was always this pragmatic give and take until he realized select the emancipation proclamation. >> he understood. he said with public sentiment anything is possible. without it nothing is possible. so he knew as a leader that you had to move in step with people and then you could take a chance as he did with the emancipation proclamation he had to educate the country as to why he had the power to do that. he has the power because as commander-in-chief the slaves were being used to help the confederacy. so he had more necessity he cam