 Conservative Party leader David Cameron said he wholeheartedly endorsed the appointment and it would ensure that the voice of Cornwall is heard.However, as the post has been discontinued, this concept remains unproven.In the June 2016 EU referendum, Cornwall voted decisively to leave the EU, 43.5per cent (140,540) of Cornwall's voters wanted to remain in the EU, while 56.5per cent (182,665) voted to leave.