VALLETTA, MALTA – FEBRUARY 03: A woman holds a mock passport of Malta, containing a call for an end to the threat of deportation of a group of Malian migrants, outside the venue of the EU Informal Summit, on February 3, 2017 in Valletta, Malta. Theresa May attends an informal summit of the 27 EU leaders to brief them on her recent meeting with President Trump. She has secured a guarantee from Trump that he is 100% supportive of NATO and she will encourage the EU countries to contribute the agreed 2% of their GDP on defence. (Photo by Leon Neal/Getty Images)