Warren Buffett (left) and Charlie Munger. JOHANNES EISELE/Getty Images Warren Buffett and Charlie Munger are wary of bank stocks and bearish on commercial real estate. The Berkshire Hathaway duo are downbeat on the US economy and worry the government is overspending. They also discussed Apple, AI, Japan, Taiwan, and Occidental Petroleum during their annual meeting. Warren Buffett and Charlie Munger revealed during Berkshire Hathaway's annual shareholder meeting on Saturday that they are wary of owning bank stocks, bearish on commercial real estate, and pessimistic about the US economy. The two investing icons — who are Berkshire's CEO and vice-chairman, respectively…