A close reading of Russia’s nuclear statements and actions during the first seven months of its war against Ukraine reveals a threefold approach. Moscow is walking a fine line between a well-crafted and successful deterrence strategy to prevent foreign military intervention; a more modest and...

We study the 420 US drone strikes in Pakistan from 2006-2016, isolating causal effects on terrorism, anti-US sentiment, and radicalization via an instrumental variable strategy based on wind. Drone strikes are suggested to encourage terrorism in Pakistan, bearing responsibility for 16 percent of...