[from MIT Sloan School of Management Newsroom] Channeling Thomas Jefferson and Theodore Roosevelt, MIT Sloan School of Management Professor Simon Johnson warns in a new book that a “new financial oligarchy” threatens not only the nation’s economy, but its political core. In 13 Bankers: The Wall Street Takeover and the Next Financial Meltdown, Johnson, says the book provides “the back story” for the 2008 financial crisis “and for all the issues being raised now around financial reform. We hope the book helps people have a badly needed conversation about what we must do to push back against dangerous, narrow interest groups that now threaten our economic well-being.” In 13 Bankers, Johnson, a former chief economist for the International Monetary Fund, and co-author James Kwak cite historical precedents and offer financial analysis to conclude that a second financial shock is inevitable unless the financial and political stranglehold held on Washington by the nation’s biggest banks is broken. “The best defense against a massive financial crisis is a popular consensus that too big to fail is too big to exist,” the authors write. “This is at its heart a question of politics, not of economics or of regulatory technicalities.” The book points out that the current concentration of financial and political power is not unlike other moments in American history. President Theodore Roosevelt, for example, challenged the monopoly powers of banker and industrialist J.P. Morgan. “No one thought he could win,” Johnson says in an interview, “but he did succeed in the first prosecution of a corporation under the Sherman Antitrust Act.” Roosevelt, he said, began a process that helped people understand the need to rein in the power of corporate giants, such as John D. Rockefeller’s Standard Oil, “which was arguably more important as a single company in 1910 than J.P. Morgan was then or J.P. Morgan Chase is now,” says Johnson.  Similar leadership is needed from the Obama ad...