LOS ANGELES (Reuters) - Filmmaker Michael Moore, facing a U.S. government probe into a recent trip to Cuba, lashed out at the Bush administration on Friday, declaring he did nothing illegal by visiting the communist-ruled island. "I have broken no laws, and I have nothing to hide," the maverick director wrote in a letter to U.S. Treasury Secretary Henry Paulson posted at the Daily Kos Web site. A day earlier, Moore, whose 2004 documentary "Fahrenheit 9/11" skewered U.S. President George W. Bush for his actions following the September 11 attacks, released a letter from the Treasury Department that warned Moore...