A significant piece of the wealth that the NFL owners garner is a result of the enormous TV revenues they get - and those revenues are supported by a legislatively granted exemption from the antitrust laws that has been made applicable to sports leagues, primarily the NFL.

The Republican argument that raising the debt ceiling encourages additional future spending is logically irresponsible. The debt ceiling has to be raised to authorize spending already approved by Congress. Despite that fallacy, the GOP has been able to score political points with its argument.

I do not believe that politics in the long run is about individuals. It is about ideas.

The world has conducted a massive macro-economic experiment since the cataclysm of 2008. In Europe, the fans of austerity have had their chance, and the results have been a disaster.

It's not Big Brother that we now have to be afraid of, but Big Browser.

The pace of global warming is accelerating and the scale of the impact is devastating. The time for action is limited - we are approaching a tipping point beyond which the opportunity to reverse the damage of CO2 emissions will disappear.

Imagine if investors in Wal-Mart really cared about bribery at that company's overseas operations or safety standards at its overseas manufacturing plants. If investors pulled their capital, corporate leaders would have to respond.