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.

Mitt Romney's primary season embrace of the social and economic agenda of the more rabid elements of his party doomed him, especially the shrill immigration rhetoric and the harshly insensitive theory that no additional sacrifice or contribution should be sought from those at the top.

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.

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.

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

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

Yes, people pull the trigger - but guns are the instrument of death. Gun control is necessary, and delay means more death and horror.