Under securities law, a publicly disclosed half-truth is worse than no truth at all, according to an appeals court opinion filed this week involving Arena Pharmaceuticals Inc. The decision has an intuitive moral appeal. But it’s not at all clear that it makes sense from the standpoint of investors, who might be misled just as thoroughly by failure to disclose …

  Because Brexit isn’t risky enough, apparently, Britain’s Conservative government has decided to embark on another project fraught with potential for failure. For many years, the country has been arguing furiously about a big expansion of London’s Heathrow airport. Having once opposed the idea, the Tories say they are now in favour. Prime Minister Theresa May is right: Heathrow needs …

  She never talks about her goal of becoming the first woman president in US history. People talk. And she rarely speaks of breaking the highest and hardest glass ceiling holding women down. Her supporters say so. But she did announce her choice of an Election Night venue symbolic of this ambition: the enormous Javits Center in New York constructed …