Warren Buffett tells FBN's Liz Claman that S&P's downgrade of the US's credit rating "doesn't make sense" and will not prompt him to sell Berkshire Hathaway's large holdings in Treasuries. More headlines from FoxBusiness.com:http://email.foxnews.com/t?ctl=127FC:7469D46E31DAE9CA5D698E885F8DE25F&------------------------------------------------------------To learn more about all of our newsletters