Heather Souvaine Horn

@heathershorn

A historian explains the risks of increased spending and why the benchmark—2 percent of GDP—is flawed.

Donald Trump, Meghan Markle, and America’s enduring obsession with the British royals

The economic impact will probably be minimal, says Peter Chase. But boy do they throw a wrench into existing trade treaties.

The Israeli prime minister said the Iran deal "is based on lies.” Of course it is, says nuclear expert James Acton—but the U.S. knew that.

No, we're not reliving the 1960s, says Harvard historian Arne Westad.

Industrialization, a new book argues, depended on gun-making. But from the start manufacturers refused any responsibility for gun violence.

All the usual suspects unite to do nothing at all—at least nothing coherent.