Jan. 29 -- Billionaire investor George Soros says that the Obama administration's plans to buy the toxic assets of U.S. banks will bring "some relief" but will not remedy lending problems. The so-called bad-bank initiative may allow the government to rewrite some of the mortgages that underpin banks' bad debt, in the hopes of stemming a crisis that has stripped more than 1.3 million Americans of their homes. Soros spoke yesterday at the World Economic Forum in Davos, Switzerland. For more Bloomberg coverage from Davos see