Jimmy Carter laid out policies that we now look back at and say, 'Gee, that actually made sense.' But you also need to explain it and convey and communicate in a way that provides that tableau, that understanding.

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.

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.

We are all used to paying a sales tax when we buy things - almost 9 percent here in New York City. The application of this concept to the financial sector could solve our need for revenue, bring some sanity back into the financial sector, and give us a way to raise the revenue we need to run the government in a fiscally responsible way.

Tax rates for the wealthy should revert to Clinton-era levels, both because it is necessary for long-term deficit reduction and because fairness dictates it. Moreover, there is no proof that higher marginal rates dissuade investment, all the rhetoric from the Right notwithstanding.

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.

I would very honestly just tell you that what I tried to do was simply respond to inquiries from people as they came in. Where I've thought I could say something useful, I've tried to add a voice that was, frankly, a dissident voice earlier on, but one that I think has become a more mainstream voice-and not because I've shifted. I think that the critique I had of what was going on in our financial system from six, eight years ago-after seeing some of what we've suffered through and even since the cataclysm itself-in terms of the structural changes.