The final chapter in the Washington Post's telling of the AIG saga is the most exciting--and the most frustrating. In the end, it is still not clear whether there was anything fundamentally wrong with AIG's portfolio. After all their research, and all of their writing, the reporters have failed to get to the bottom of the story. They end up saying, It seems that as Financial Products ramped up its credit-default swap business, its leaders assumed that its parent, AIG, would always be as stro