BERWICK-UPON-TWEED, ENGLAND - SEPTEMBER 07: Members of English Scots for Yes hold a border tea party, to celebrate the continuing open border between Scotland and England after a possible Yes vote in the Scottish Independence referendum on September 7, 2014 in Berwick Upon Tweed. An opinion poll published today, shows the yes camp had 51% to 49% for no, excluding dont know voters.  (Photo by Jeff J Mitchell/Getty Images)