Travel to China and South Korea with the world's third richest man, one of the great investor's rare trips from his home in Omaha. On CNBC's "Warren Buffett: The Billionaire Next Door Going Global," hosted by CNBC's Becky Quick, hear how his Berkshire Hathaway is expanding internationally and what he's learned from being in the Far East. See what its like to travel with the Oracle first-hand.