Merger and takeovers videos

From moneyweek - http://www.youtube.com/watch?v=U76MGI7nppo&feature=related

Brief overview - http://www.youtube.com/watch?v=ZwQ2nZMECsg&feature=related

What makes a good merger - http://www.youtube.com/watch?v=INUfKoVyVuA&feature=relmfu