While hindsight suggests that the federal government should have taken some action to prop up Lehman—given the assistance it was prepared to offer the rest of the industry once it began to face calamity—it is also true that the federal government did lack an established system for winding down an investment bank that was threatened with failure. Paulson, Geithner, and Bernanke were forced to resort to what MIT professor Simon Johnson has called “policy by deal.” But deals, unlike rules, have to be improvised—and the hastier ones tend by their very nature to be imperfect. The deals hatched in
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