British Prime Minister Theresa May leaves 10 Downing Street in London on January 17, 2017. 
May chaired the weekly meeting of the Cabinet ahead of a major speech in which she is expected to say she favours a clean break from the European Union, dismissing a 'half-in, half-out' Brexit deal with Brussels. / AFP / Daniel LEAL-OLIVAS        (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)