Abraham Lincoln always thought slavery was unjust — but struggled with what to do once slavery ended. Historian Eric Foner traces how Lincoln's thoughts about slavery — and freed slaves ...

This undated photo provided by the Abraham Lincoln Presidential Library and Museum in Springfield, Ill., shows what historical experts say is Abraham Lincoln's handwriting they’ve found inside a ...

This undated photo provided by the Abraham Lincoln Presidential Library and Museum in Springfield, Ill., shows what historical experts say is Abraham Lincoln's handwriting they ve found inside a ...