Don't reward bad behavior. It is one of the first rules of parenting. During the financial cataclysm of 2008, we said it differently. When we bailed out banks that had created their own misfortune, we called it a 'moral hazard,' because the bailout absolved the bank's bad acts and created an incentive for it to make the same bad loans again.

Public speaking? I speak to myself on the street!

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.

The Tea Party isolated Mitt Romney from mainstream voters, linking him to a rabid ideology that he could not shake as he desperately tried to move to the middle in the closing weeks of the campaign. Lesson: The loudest voices don't often command the votes needed to win in November.

President Obama is doing the right thing by offering young immigrants, most often in this country through no action of their own, a chance to live and work openly, free from the fear of deportation.

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.

It's time to let science and medicine, not politics and rhetoric, lead us to good, sound policy.