he dollar will extend its drop versus the euro over the next two to five years, falling as much as 20 percent to an all-time low under a widening U.S. budget deficit, Harvard University’s Professor Niall Ferguson said. Policy makers favor the dollar’s slide as a means of supporting a recovery from the worst economic slump since the Great Depression even as they voice support for a strong greenback, Ferguson said in an interview on Bloomberg Radio. A weak dollar is “the simplest solution to most of America’s problems right now,” said Ferguson, author of “The Ascent of Money: A...