Under immense pressure to bring some certainty into the markets, Barack Obama has moved quickly to announce his choice for main cabinet posts. His planned appointments, as well as his policy announcements, are a study in how to turn crisis into opportunity. A reader of history, with particular attention to the biographies of certain presidents, he has taken a page from Abraham Lincoln in naming a “team of rivals” or at least of big personalities with strong opinions, as his foreign policy lineup: Hillary Clinton will be Secretary of State and General James Jones, a retired Marine commander, his National Security Advisor, while Robert Gates, current Secretary of Defense under Bush, would stay on at least for the first year of the Obama admin...