“What worries me is the casual political vandalism. They really don’t seem to care," Tony Blair's former chief negotiator on Northern Ireland has said.

“Do you not find it a little embarrassing that you're renegotiating it across such a wide area so soon after it was signed by the government and approved by this Parliament?” - "Not really".

“You tell great big fat lies, you sell magic bean fantasies. And then when reality stubbornly proves you wrong, you double down even harder."