Buffett's "time bomb" goes off

Buffett's "time bomb" goes off on Wall Street

Excerpt:

When historians write about the current crisis, much of the blame will go to the slump in the housing and mortgage markets, which triggered the losses, layoffs and liquidations sweeping the financial industry.

But credit default swaps -- complex derivatives originally designed to protect banks from deadbeat borrowers -- are adding to the turmoil.

"This was supposedly a way to hedge risk," says Ellen Brown, the author of the book "Web of Debt."

"I'm sure their predictive models were right as far as the risk of the things they were insuring against. But what they didn't factor in was the risk that the sellers of this protection wouldn't pay ... That's what we're seeing now."

Brown is hardly alone in her criticism of the derivatives. Five years ago, billionaire investor Warren Buffett called them a "time bomb" and "financial weapons of mass destruction" and directed the insurance arm of his Berkshire Hathaway Inc (BRKa.N: Quote, Profile, Research, Stock Buzz) to exit the business.

Comment: Again the "Derivatives". Still don't understand them.