Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: The demise of arms control agreements and the rise of geopolitical competition are a dangerous mix…

Over the weekend, Moore’s Law—the prediction that the number of transistors (building blocks) on an integrated circuit (computer chip or microchip) would double every two years—turned fifty years old…

In last week’s rare interview with a Western media figure, Russian President Vladimir Putin tried to combine a more reasonable tone with endless reminders of why Western governments think he’s not re…