FC Copleston and Betrand Russell debate on the existence of God

The video is an audio extract from the debate between FC Copleston, a firm theist who believes that the existence of God can be proven, and Betrand Russell an agnostic. The debate covers four key topics surrounding Cosmological arguments: Neccessity, Contingency, Sufficient reason and causation. After listening try to draw your own conclusions on who won this debate?