The European Commission tentatively opened the door to a plan by 10 member states, including Germany, France, Italy and Spain, to hit multinational tech companies with a turnover tax to compensate for their avoidance schemes. A new proposal presented by European Commission Vice President Valdis Dombrovskis allows for such stop-gap measures while it works with members states on a better, …

Before Obamacare, state governments were the chief regulators of health insurance. Obamacare put the federal government in that role. The latest Republican health-care bill, sponsored by Senators Lindsey Graham, Bill Cassidy and others, would partially reverse that shift in authority. It would also give states the ability to allocate a lot of federal health-care dollars as they wish. The fact …

What if your car could keep you out of an accident by knowing what was coming around the corner? No, I’m not just telling you what you already know about self-driving cars. Most of the self-driving prototypes we’re familiar with rely on sensors, which have limited range and can’t see past obstacles. That’s enough to prevent a lot of accidents—but …