Polling guru John Curtice explains 'remarkable' rise of Brexit Party putting May on BRINK

“Having failed to deliver Brexit, the Conservatives now find themselves in a degree of electoral trouble. “Essentially amongst those who would still vote Conservatives in a Westminster election, that’s not a diminished number, around a quarter to 30 percent of people who would still vote for the Conservatives in a Westminster election, say they are going to vote for the Brexit Party.