All the money except for two very large checking accounts is in mutual funds.About $350,000 is divided between Vanguard FTSE Social Index Fund, a socially responsible fund, and Vanguard Wellesley Income, which has a mix of 60 percent bonds and 40 percent stocks.How he could do betterThe Obamas have about 40 percent of their money in cash - about right for now, says Jason Mirsky of RiskMetrics: Th