Queen Elizabeth II wasn’t told details of her long-time art adviser’s double life as a Soviet spy because palace officials didn’t want to add to her worries, newly declassified documents reveal.

OTTAWA—Mark Carney, the former Canadian and U.K. central banker, formally declared his interest in succeeding Justin Trudeau as leader of Canada’s Liberal Party and the country’s prime ...

Mark Carney is a known commodity in Liberal circles. Party organizers have tried to convince the former central banker to run ...