The Trump administration often talks about North Korea policy as if it’s an on-off switch. President Trump thundered that the US will “totally destroy” North Korea to defend itself and its allies. But Defense Secretary James Mattis blandly insisted the next day that it’s “still a diplomatically led effort.” Somewhere in this maze of public statements—including the announcement of new ...

Margaret Thatcher redefined the UK’s relationship to Europe in 1988 in a fierce speech on the continent that chastised her European partners while promising to stick with them. Twenty-nine years later, Prime Minister Theresa May made a similar journey to do the opposite. In a speech Friday in Florence, May addressed continental Europe softly, about separation. When Thatcher went to ...

For generations, the open road has provided good jobs for Americans, whether truckers, novelists or country-music lyricists. Soon it may be crowded with some less sympathetic protagonists: self-driving robots. Trucks with some degree of automation are already plying ore mines and hauling freight. Investment is pouring into the industry. As Congress debates a new law to promote self-driving technology, however, ...