From Mises TV, there's a great series of lectures, panels and talks from Mises University, several of which are great explanations or arguments around sound economic policy.
This video explains how crony capitalism corrupts the free market. There's a truly important distinction between free market capitalism and the distortion of capitalism when crony capitalism perverts the free market into much of what we see happening today. Such distorted capitalism holds no moral or operational superiority over socialism. It is a flawed system that bends itself ever more towards either socialism or oligopoly - neither of which serve the general public in the way the Invisible Hand can.