Presidents are not permitted to have personal feelings.

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.

Because primarily of the power of the Internet, people of modest means can band together and amass vast sums of money that can change the world for some public good if they all agree.

When I think about the world I would like to leave to my daughter and the grandchildren I hope to have, it is a world that moves away from unequal, unstable, unsustainable interdependence to integrated communities - locally, nationally and globally - that share the characteristics of all successful communities.

Palestinians are a hard-working and an incredible community. They have done remarkably well outside their country. I have never met a poor Palestinian in the United States; every Palestinian I know is a college professor or a doctor.

We're [Clinton Foundation] trying to get rapid tests that give you results when you're right there on site at an affordable price. Ninety percent of the HIV-positive people in the world don't know they have the infection. An enormous amount of infections are being perpetrated by people who don't know they themselves are HIV positive.

It's only in America where there seems to be this sort of systematic denial of the reality of global warming at the governmental level, and in too many sectors of the high, the private sector. But it looks to me the business community may actually lead us toward a clean energy future almost in spite of government policy.