TEFFEN, ISRAEL - SEPTEMBER 18: American billionaire investor Warren Buffett (R) gives a press conference with his business partner Charlie Munger at the Iscar Metalworking headquarters September 18, 2006 in the Teffen industrial zone in northern Israel. Buffett, whose company Berkshire Hathaway bought an interest in Iscar Metalworking for USD 4 billion earlier this year, is on a two-day tour of Israel, visiting Iscar's plants and meeting with Israeli political and business leaders.