Forty years ago, when there two professional football leagues - the AFL and NFL - arguably the most famous Super Bowl was played in Miami, Florida.Super Bowl III matched the NFL's Baltimore Colts and the AFL's New York Jets.I thought it would be interesting to take a look back at how different the game was presented back then - both in content and , obviously, in technological terms.First, from the original NBC broadcast of January 12, 1969, here is something that has LONG since been eliminated from the pregame festivities .... the Pledge of Allegiance.It was conducted by three of...