Photo by: Paul Sakuma Billionaire investor Warren Buffett helps Democratic presidential candidate, Sen. Hillary Rodham Clinton, D-N.Y., raise campaign funds in San Francisco, Calif., Tuesday, Dec. 11, 2007. (Associated Press) **FILE**
4 astronauts return to Earth after being delayed by Boeing's capsule trouble and Hurricane Milton Shares
Quarter Pounders are off the menu at 20% of McDonald's in US as E. coli cases are investigated Shares