In 2007, when I was governor of New York, I proposed that our state once again permit undocumented immigrants to obtain a driver's license. To say the proposal lit a firestorm in the political arena is an understatement.

Global warming threatens our health, our economy, our natural resources, and our children's future. It is clear we must act.

As someone with a deep faith in competition and the market, I also know that markets only work with tough enforcement of the rules that guarantee competition and fair play - and that the pressure to break those rules only gets stronger as the amount of money involved gets larger.

Health care reform, the marquee legislative accomplishment of the Obama administration's first term, was passed before we entered the world of divided government.

Some say that I should settle down, go slower and not push so hard, so quickly for such transformational change. To them, I say that you misunderstand the size of the problems we face, the strength of the status quo and the urgency of the people's desire for change.

The Occupy movement needs an organizing principle, and - just as the Tea Party did - it needs some actual measures of success. Choose one candidate whose agenda is squarely within that of the movement and make his or her electoral success a focal point.

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.