From PJ Tatler blog:
Vernon Jordan, the big-time Washington lawyer (and a solid Democrat), tells the story of a golf game in which Obama was partnered with New York mayor Michael Bloomberg, who also is in a very select group of true experts on the financial markets. Afterward, Bloomberg remarked that, through four hours of riding the cart with the mayor, Obama asked his golf partner not a single question about anything.
"Better to remain silent and be thought a fool than to speak and to remove all doubt." - Abraham Lincoln