civil war historian james oakes examines how abraham lincoln used the constitution throughout his political career to abolish slavery. then authors annette gordon reed, elizabeth hintona cobb offer their thoughts on racial injustice in america. also tonight marshall project staff writer, marise reports on capitol punishment in texas. nationally syndicated radio host eric talks about his life and career for that all started on book tv on cspan2. visit booktv.org for more schedule information or consult your program guide. now, here's james oakes on abraham lincoln. >> this evening we are joined by professor james oakes who is one of the leading historians of 19th century america. his early work focused on examining slavery as it economic and social system that shaped southern life. his books include the ruling class, the radical and the republican, frederick douglass abraham lincoln and the triumph of antislavery politics and freedom national abolition