It is no surprise that Berkshire Hathaway (BRK.A -0.03%) (BRK.B -0.07%) and Warren Buffett are sitting on a mountain of cash, but should shareholders be upset that Buffett isn't putting the money to work? In this segment of The Motley Fool's financials-focused show, Where the Money Is, analysts Matt Koppenheffer and David Hanson discuss the cash situation and tell investors why they shouldn't doubt Warren's ability to generate wealth over the long-haul.