Capitalism is a system for determining objective value.

Ratings agencies are the glue that ostensibly holds the entire financial industry together.

To Wall Street, a firm like BP isn't just a profitable energy company with lots of assets like oil rigs and pipelines and gas stations - it's also a corporation that routinely borrows hundreds of millions of dollars to keep its business up and running.

If you look back in history, as the barbarians were invading the gates of Rome, people were consulting fortunetellers and worrying about the end of the world and all sorts of other apocalyptic notions. When the tsars were finally overthrown, they were all reading tarot cards even as the revolutionaries were banging at the gates.

George Bush and John Ashcroft were religious in a scary way, but the rational among us could always take heart that, deep down, the Bush administration was more cynical than messianic.

For the broadcast business to be successful, viewers need to be not merely interested in our political melodramas, they have to be in an absolute state about them - emotionally invested in the outcome and frightened not to watch what happens next.

Interest-rate swaps are a tool used by big cities, major corporations and sovereign governments to manage their debt, and the scale of their use is almost unimaginably massive. It's about a $379 trillion market, meaning that any manipulation would affect a pile of assets about 100 times the size of the United States federal budget.