Many on Wall Street are predicting that lawmakers will eventually come to an agreement that will likely prevent a devastating debt default. But that doesn't mean the economy will walk away unscathed, not only because of the heavy standoff, but also as a result of the Treasury Department's efforts to return to business as usual as soon as it can increase its borrowing. Ari Bergmann, whose firm specializes in hard-to-manage risks, says investors should hedge against the impact of the Washington resolution. The market veteran means that the Treasury will have to struggle to replenish its...