Three years ago the UK had been due to leave the EU. But on the same day, 28 MPs voted against Theresa May’s EU Withdrawal deal in the hope of something better. They became known as the Spartans and played a pivotal role in ousting Theresa May and securing a much greater break with the EU. David Scullion speaks to three former ERG leaders, Steve Baker, Suella Braverman and David Jones along with veteran lobby journalist Robert Hutton.