This Black History Month, CBS News reflects on and recognizes the change makers and their contributions to America. South Carolina Congressman Jim Clyburn was elected to the House in 1992. He became majority whip in 2006, making him the most senior African American in Congress. The congressman is seen as a mentor to many Democrats in South Carolina, including CBS News political contributor and Democratic strategist Antjuan Seawright. The couple sat down for a conversation to mark this moment in history.