From Columbia Business School in New York City, CNBC brings together two of the most successful men in business -- Bill Gates and Warren Buffett -- for an hour-long question and answer session with students.
WestLB received a last-minute lifeline Tuesday as Germany's Finance Ministry confirmed that an agreement had been reached to help the stricken lender. Lothar Mentel from Octopus Investments and CNBC's Silvia Wadhwa have analysis.