In the midst of the most disastrous economic climate of Wall Street's history, one executive has weathered the storm more deftly than any other: Jamie Dimon, chairman and CEO of JPMorgan Chase. In 2008, while Dimon's competitors watched their companies crumble, JPMorgan not only survived, it made an astonishing $5 billion profit. Dimon's continued triumph in the face of an industry-wide meltdown has made him a paragon of finance. In Last Man Standing,...