She will even make it

"The loss was widely interpreted in Britain as a personal repudiation of a politician who seemed to have charmed the country only months ago with her vow to be a “bloody difficult woman” in exit negotiations with her E.U. counterparts.

Now it is unclear whether she will even make it to the negotiating table when talks begin." (The Washington Post.)

What is the antecedent of "it" in the clause whether she will even make it to the negotiating table when talks begin in the paragraph above?