"Government insiders remain hopeful they can persuade EU leaders to give Barnier the green light to drop the “backstop to the backstop” – the insistence that the EU’s proposal for avoiding a hard border in Ireland must be included in the legally binding withdrawal agreement."
Give me strength...
What these ámadáns are calling the "backstop to the backstop" is what the rest of the EU calls the backstop.
A backstop, moreover, that HMG signed up to in December 2017. And confirmed in March 2018.
In March they signed up to the following:
"the negotiators agree that a legally operative version of the “backstop” solution for the border between Northern Ireland and Ireland, in line with paragraph 49 of the Joint Report..."
"..., should be agreed as part of the legal text of the Withdrawal Agreement, to apply unless and until another solution is found"