article_snippet: European Council president Donald Tusk said Cameron plans were 'mission impossible' Cameron hopes of winning sweeping changes to Britain's relationship with Brussels Brussels are 'mission impossible', the top EU politician who will run the negotiations has said.
article_snippet: Donald Tusk, the president of the European council representing EU leaders, said European Council president Donald Tusk was 'ready to help Cameron – but dismissed European Council president Donald Tusk chances of negotiating a new European treaty within the next two years before holding an EU referendum.
article_snippet: Former Polish prime minister said it would be hard to find agreement among all 27 EU leaders that would satisfy Cameron.
highlights_snippet: Donald Tusk said it will be hard to win agreement of all 27 EU leaders .
  