Republicans are demanding that the White House release a transcript of President Joe Biden’s conversation with Ukrainian President Volodymyr Zelensky, after unconfirmed reports alleged that Biden told Zelensky that Kyiv would soon be “sacked” by Russian forces. The allegations originated with CNN Senior National Security Correspondent Alexander Marquardt, who reported the conversation in a Twitter post. According to Marquardt, the information was relayed by an unspecified senior Ukrainian official. “A Russian invasion is now virtually certain once the ground freezes, Biden said to Zelensky. … Kyiv could be ‘sacked,’ Russian forces may attempt to occupy it, ‘prepare for impact’, Biden said,” Marquardt’s wrote on Twitter. Emily Horne, a National Security Council spokeswoman, took to Twitter on Thursday to dismiss the alleged comments. Horne re-tweeted Marquardt’s post and responded: “This is not true. President Biden said that there is a distinct possibility that the Russians could invade Ukraine in February. He has previously …