Giant in declineBy Marshall Auerback In his 1849 novel Les Guepes, Alphonse Karr penned the classic line: "The more things change, the more they stay the same." In the case of the United States in 2005, however, the opposite might be true: The more things stay the same, the more they are likely to change ... for the worse. In that regard, compiling a list of potential threats to the US this year has a strangely deja-vu-all-over-again feeling. After all, such a list would represent nothing more than a longstanding catalogue of economic policymaking run amok. Virtually the same list...