Robert Rubin, former managing partner of Goldman Sachs, former Treasury Secretary, and former Chairman of Citigroup, says there is more to worry about in today’s fiscal environment than at any other time in his life. “[I]t is absolutely prudent that we prepare for the worst,” Rubin told a New York TradeTech audience last month (See Ben Baris’s article in Institutional Investor, “‘Prepare for the Worst’ Say Ex-Treasury Sec Robert Rubin”).