Check out this amazing interview with legendary investors Warren Buffett and Jorge Paulo Lemann (3G Capital).
The video is about an hour long. You can also go to market folly for some helpful notes:
Warren commenting on their relationship:
"I consider it one of the larger mistakes in my life that we didn't really team up as partners until considerably later"
"Who you have as partners in life... it's a lot more fun and a lot more profitable to have good partners." (WEB)
The event was part of the Harvard/MIT Harvard/MIT Brazil Conference