A shifting political landscape has thrown control of Congress up for grabs, making it likely that key items on the industry’s agenda could remain unresolved in 2007. “The current political environment, if it were a market, would be termed ‘highly volatile’,” said Kurt Pfotenhauer, senior vice president for government affairs for the Mortgage Bankers Association, summing up the difficult legislative realities facing the industry during remarks at the trade group’s recent conference on nonprime and…