Should former presidents who are believed to have committed crimes, either in office or afterward, be indicted? It is never simply the case that prosecutors in the US indict anyone who they believe is guilty of crime, as my Bloomberg Opinion colleague Clive Crook has pointed out. For one, it’s misconduct to indict without confidence that a conviction will follow. ...

On the surface, it’s just a smartphone — little more than a very slick, rather pricey, well-built gadget. But the iPhone is much more than that, and this year the world could do with having one released just a little earlier than usual. That’s because the global smartphone market is in a funk, with shipments dropping 9% in the June ...

  If you’re looking for an iconic example of humanity’s ability to harness nature to produce clean energy on a massive scale, it’s hard to ignore the Three Gorges Dam. Built through the 2000s just as China’s rise was at its most headlong, the world’s largest power station can generate 22.5 gigawatts, equivalent to 20 nuclear plants. Two more of ...