FILE - In this Friday, June 24, 2016 file photo file photo a statue of Winston Churchill is silhouetted against the Houses of Parliament and the early morning sky in London, Friday, June 24, 2016. Britain's love-hate relationship with the rest of Europe goes back decades, but the Brexit crisis gripping it today stems from dramatic January 2013 speech by Prime Minister David Cameron in which he promised an "in or out" referendum.
FILE - In this Friday, June 24, 2016 file photo file photo a statue of Winston Churchill is silhouetted against the Houses of Parliament and the early morning sky in London, Friday, June 24, 2016. Britain's love-hate relationship with the rest of Europe goes back decades, but the Brexit crisis gripping it today stems from dramatic January 2013 speech by Prime Minister David Cameron in which he promised an "in or out" referendum. Matt Dunham, File AP Photo
FILE - In this Friday, June 24, 2016 file photo file photo a statue of Winston Churchill is silhouetted against the Houses of Parliament and the early morning sky in London, Friday, June 24, 2016. Britain's love-hate relationship with the rest of Europe goes back decades, but the Brexit crisis gripping it today stems from dramatic January 2013 speech by Prime Minister David Cameron in which he promised an "in or out" referendum. Matt Dunham, File AP Photo