A derivative is a bet on whether a stock, or a bond or a real estate asset, is going to go up or down. There's a winner and a loser. It's like betting on a horserace.

The vast majority of $100 bills are abroad, not in the United States. So yes, of course there's a use here but nowhere near as much as there's a use for $100 bills abroad.

So the political choice today is much like the 1930s, when the global economy also broke down. The choice is between nationalism and populism on the right, or socialism reviving what used to be left-wing politics.

Everyone from Adam Smith, John Stewart Mill, they were all reforms. What they wanted to reform was getting rid of this parasitic landlord class that had conquered England in 1066 and it's the heirs of the military warlords who ended up taking the land and making everybody pay them and all of their descendants just for having been conquered. You can see the carry-over of this today. The rent that people have to pay, the money they have to pay the banks instead of having a public option. That's the price they still have to pay for being conquered.

The effect of metals speculation was to push up the prices that China had to pay to countries like Australia. This squeezed China. Once the speculative demand ended, all of a sudden the added production facilities that had been brought into production by the high prices went out of production again, and there was a glut.

The biggest industrial sector next to real estate is oil, gas and other mineral resources. They don't report any taxable income, because if you depict yourself as earning a profit, you have to pay a tax on it. So, it's all about what accountants choose to declare as profit.

Seventy-eight percent of millennials are worried about not having enough good paying job opportunity to pay off their student loans. Seventy-four percent can't pay the health care if they get sick. Seventy-nine percent don't have enough money to live when they retire. So, already, we're having a whole generation that's coming on, not only here but also in Europe, that isn't able to get good-paying jobs.