If the U.S. wants to help people in tsunami-hit countries like Sri Lanka and Indonesia - not to mention other poor countries in Africa - there's one step that would cost us nothing and would save hundreds of thousands of lives. It would be to allow DDT in malaria-ravaged countries.

For most of history, genocide was just something governments did and nobody blinked.

Solar power is one of the most hopeful technologies but still produces about 0.01 percent of U.S. electricity. The U.S. allocates just $159 million for solar research per year - about what we spend in Iraq every nine hours.

America's education system has become less a ladder of opportunity than a structure to transmit inequity from one generation to the next.

The news media's silence, particularly television news, is reprehensible. If we knew as much about Darfur as we do about Michael Jackson, we might be able to stop these things from continuing.

Palestinian militancy has accomplished nothing but increasing the misery of the Palestinian people. If Palestinians instead turned more to huge Gandhi-style nonviolence resistance campaigns, the resulting videos would reverberate around the world and Palestine would achieve statehood and freedom.

It's important not to demonize [Donald's] Trump voters.