Charlie Munger (Trades, Portfolio) recently said that, despite being over 80 years old, his partner Warren Buffett (Trades, Portfolio) is a better investor today than he has ever been.
The reason for that, according to Munger, is that Buffett is a "learning machine" and with each passing year the cumulative knowledge from which he has to draw grows.
With that in mind, the video below is 46 minutes with value investor and Buffett devotee Guy Spier from which investors can add to their own cumulative skill base:
