It’s time for a 21st-century abolitionist movement in the U.S and around the world.

There seems to be this sense among even well-meaning Americans that Africa is this black hole of murder and mutilation that can never be fixed, no matter what aid is brought in.

Women aren't the problem but the solution. The plight of girls is no more a tragedy than an opportunity.

There are ten times as many sex slaves transported around the globe today as agrarian slaves were transported in the 1790s.

...Environmental groups are too often alarmists. They have an awful track record, so they've lost credibility with the public.

Sandy was particularly destructive because it was prevented from moving back out to sea by a "blocking pattern" associated with the jet stream. There's debate about this, but one recent study suggested that melting sea ice in the Arctic may lead to such blocking.

Individual storytelling is incredibly powerful. We as journalists know intuitively what scientists of the brain are discovering through brain scans, which is that emotional stories tend to open the portals, and that once there's a connection made, people are more open to rational arguments.