The woman is a cold-blooded power-hungry b@@@ch, she does not ever think like that, but easily can make a public performance (playing a common simple-minded person) to raise up her nowadays low ratings. So I believe that the leakage is intended and is an internal
PR action of Julia: she wants to show that she shares the emotions of the people.
As for Russian language in Ukraine, didn't I explain? It is more common than Ukrainian. As for "8 millions of Russians" JD already commented about a "petty" misinterpretation in translation. Keep in mind that former opposition, current government, the list of killed people in Maidan ("Heavenly Hundred") etc. all are full of ethnic not-so-Ukrainians. And Julia Timoshenko herself is also ethnic not-so-Ukrainian despite of her Ukrainian last name that she took from her husband.