From 2008 to 2014, according to the US Department of Justice, background checks prevented 556,496 gun purchases. In the last six months, about that many people have been removed from the national database and are newly eligible to buy a gun. The FBI’s national instant criminal background check system, which screens such transactions, is not quite perfect: It has an ...

Zhou Xiaochuan, governor of the People’s Bank of China, has guided his country’s monetary policy for most of the 21st century. He was appointed in 2002, shortly after China joined the World Trade Organization, and helped steer its economy through the global financial crisis. In the process, he gained widespread respect at home and a reputation for prudent liberalism abroad. ...

The past decade has been a testing time for the Russian tycoon’s love affair with London. The worst relations with the West since the Cold War, economic sanctions on Russia’s biggest companies and an oil-price rout that sank the rouble to record depths forced Russian companies and investors to migrate elsewhere. An index of London-listed Russian stocks has fallen 42 ...