Investor Warren Buffett (R) and Microsoft Corporation founder Bill Gates (L) appear together for a town hall style meeting with business students broadcast by financial television network CNBC at Columbia University in New York, November 12, 2009. Reuters Pictures logo Reuters Pictures 27 months ago

Investor Warren Buffett (R) and Microsoft Corporation founder Bill Gates (L) appear together for a town hall style meeting with business students broadcast by financial television network CNBC at Columbia University in New York, November 12, 2009.