The man who blew the whistle on Lehman Brothers' financial house of cards sees the position of the U.S. economy as similarly untenable if zero interest rates persist.
Hedge fund manager David Einhorn warns the Fed's interest rate policy "increases the chance that governments will over-borrow and fall into a debt trap." That would set the stage for a second financial crisis, Einhorn told London's Sunday Telegraph in a Dec. 26 interview.