The following video is part of this week's MarketFoolery podcast, in which host Chris Hill, along with Ron Gross and Joe Magyer, discuss the latest business news. In this segment the guys analyze Warren Buffett's annual letter to shareholders. With much of the media focused on who will eventually succeed Buffett as CEO of Berkshire Hathaway, the guys also discuss Buffett's role as unofficial booster for American business and the U.S. economy. Joe also identifies one part of the letter than no one is talking about: Buffett's latest subtle masterstroke to ensure that the long-term interests of Berkshire Hathaway and its shareholders are well preserved. The guys also analyze why Buffett went out of his way to praise executives from Bank of America and JP Morgan Chase.

Why is Warren Buffett interested in the banking industry? The Motley Fool has a brand new report, "The Stocks Only the Smartest Investors Are Buying," that explains why Buffett and others are looking to the banking industry for their next investments. You can access this just-released report by clicking here -- it's free.