Without question, bicycling is an efficient, economical and environmentally sound form of transportation and recreation. Bicycling is a great activity for families, recreational riders and commuters. Hillary, Chelsea and I have bicycles.

If we have the right preventive and primary care, if we start charging for comprehensive care in the chronic cases, 10 percent of the cases take up two-thirds of the medical expenses, and if we do more on problems like childhood obesity, that we can, to use the parlance that's popular in Washington, bend the cost curve and eventually reconcile this so our costs will be closer to our competitors and so we can cover everybody.

I still believe in a place called Hope.

Our immigration policy is focussed in four areas: First, strengthening border control; second, protecting American jobs by enforcing laws against illegal immigrants at the workplace; third, deporting criminal and deportable aliens; fourth, giving assistance to states who need it, and denying illegal aliens benefits for public services or welfare.

I know that the precise magnitude and patterns of climate change cannot be fully predicted. But global warming clearly is a growing, long-term threat with profound consequences. And make no mistake about it, it will take decades to reverse.

You can't be involved in modern American politics without somebody attacking you.

In today's knowledge-based economy, what you earn depends on what you learn. Jobs in the information technology sector, for example, pay 85 percent more than the private sector average.