Earlier this year I suggested that there was a problem with the tools we use to measure economic productivity: “The way we capture formal productivity data hasn’t kept up with modern ways of doing business. As a result, I believe economists underestimate productivity increases.” I have since refined that conclusion: Productivity models don’t properly capture gains created by the …

  There was a brief but impressive show of new U.S. aircraft technology this week. The problem is that the planes belong to the Chinese military. Aided in large part by espionage against the Pentagon and U.S. firms, the People’s Liberation Army air force unveiled its new J-20 stealth fighter, which it says is a so-called fifth-generation fighter like the …

  Kunduz / AFP A NATO airstrike killed at least 30 Afghan civilians, including women and children, on Thursday in the volatile northern province of Kunduz, officials said, after a Taliban assault there left two American soldiers dead. The airstrike, which occurred early Thursday, triggered emotionally-charged protests in the provincial capital, with the victims’ relatives rallying outside the governor’s office while …