Violence attributed to online hate speech has increased worldwide. Societies confronting the trend must deal with questions of free speech and censorship on widely used tech platforms.

President Trump has made reducing the U.S. trade deficit a priority, blaming trade deals like NAFTA, but economists disagree over how policymakers should respond.

A leading killer among diseases is now targeted for eradication by the middle of this century. Efforts to combat malaria are costly and challenging.

It remains unclear whether mounting public anger and flagging growth can catalyze India to address widespread official corruption.