An aging America reduces the economy’s growth — big time. That’s the startling conclusion of a new academic study, and if it withstands scholarly scrutiny, it could transform our national political and economic debate. We’ve known for decades, of course, that the retirement of the huge baby-boom generation — coupled with low birthrates — would make the United States …

Lots of presidential-campaign observers have been questioning the numbers in Hillary Clinton’s plan to make public colleges and universities “free” for students whose families earn below a set threshold. And I will admit that I am a longtime skeptic of proposals to further subsidize higher education. But one thing critics such as myself tend to overlook is the positive value …

  New York’s John F. Kennedy Airport, on most days simply a bore to pass through, descended into chaos last weekend. Waves of confusion rippled through its terminals when passengers, thinking a terrorist attack was underway, stampeded haphazardly in search of refuge. It was all for nothing. There was no attack, no “active shooter.” Evidently, a crowd watching the Olympics …