Meredith Vieira’s former assistant claims that Matt Lauer raped her in his hotel room at the 2014 Sochi Olympics, sparking speculation that the disgraced Today anchor could be prosecuted in Russia. “It’s very unlikely, but just the thought of criminal charges has Matt crying foul,” reveals an insider. “He’s calling this a witch hunt now. Yes, he made some huge mistakes, and he’s continuing to pay the price for them, but he stands by his statement.” After the accusation surfaced in Ronan Farrow’s new book, Catch and Kill: Lies, Spies, and a Conspiracy to Protect Predators, the former newsman penned a lengthy open letter in which he denied raping former NBC News staffer Brooke Nevils, calling the alleged assault a “consensual” sexual encounter, “the first of many… between us” over…