Paul Scharre, senior fellow and director of the technology and national security program at the Center for a New American Security (CNAS), discusses autonomous weapons and the changing nature of warf…

Stewart Patrick joins Jim Lindsay to discuss the implications of the G20 summit.

At the start of the new year, the Why It Matters team takes a look at some of the best interview segments that didn’t make it into the episodes. 

World leaders convene in Argentina for the annual G20 summit, and a UN climate summit gets underway in Poland. 

France holds presidential elections, Manila hosts an ASEAN summit, and Brussels stages a special EU summit to discuss Brexit.