Brexit: U.K. Leaves E.U., Embarking On an Uncertain Future.

Brexit: U.K. Leaves E.U., Embarking On an Uncertain Future.

‘The dawn breaks.’ Britain has left the European Union. At 11 p.m. — midnight in Brussels and 6 p.m. in New York — Britain officially left the European Union. Flags lined Parliament Square and the Mall, the ceremonial avenue leading to Buckingham Palace, and...