A sweeping settlement to end the foreclosure fiasco plaguing the U.S. housing market can't even get its toe in the door. The deal proposed by federal regulators and state attorneys general in a 27-page draft settlement distributed to the nation's five largest mortgage lenders last week is a "non-starter," sources told The Post ... "This is the government trying to change your business so that you cannot make a profit," said one banking executive. "Every regulator and everyone in Washington knows that this current settlement is a total non-starter.