In 1993, I was sitting on a mud floor with a small group of women in a village in Karnataka, trying to start a conversation about their lives.

Hurricane Maria hit Puerto Rico in September 2017. In the days following the hurricane, the government reported just 64 deaths.

It was the sort of puzzle that you don’t notice at first. It was Juba, South Sudan, in 2012; a place where and time when, frankly, problems were not hard to find. The perhaps surprising absence of a problem was easy to overlook.

Even as global progress against poverty seems to slow, India has remained a bright spot. In the last several decades, the now most populous country’s transformation has been nothing short of extraordinary, with per capita incomes increasing by over a factor of six in a quarter century.

History remembers two Robert McNamaras.

India produces enough buprenorphine, a medication used to treat opioid addiction, to serve about 450,000 patients each year. It is treating only 45,000. How do we fix this?

What happens when 55 countries try to review medicines together?

The movement of people could once again be the driving force behind global convergence.

For many years, the first word most foreign visitors learned upon moving to Jakarta was macet, traffic jam.

A successful commercial firm does something no NGO can.

Is it nuts to give cash to the poor without strings attached?