FILE – In this Thursday, Sept. 20, 2018 file photo, British Prime Minister Theresa May looks to passing by heads of government after the family photo at an informal summit of European Union leaders in Salzburg, Austria. May's three years as prime minister was marked by her struggles to build a consensus at home about how Britain should leave the EU. When she failed to get Parliament to agree and sought an extension to Britain's departure date, she quit. She was replaced by Boris Johnson, who after a convincing election victory is taking Britain out of the EU on Jan. 31, 2020 after 47 years of membership. (AP Photo/Kerstin Joensson/File)
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