In prepared remarks today in Poland, Biden said, "For God's sake this man cannot remain in power." He was referring to Putin. Immediately after his speech, an unnamed White House official clarified..
You know what I think? Because the remark was in Biden's prepared remarks, I think the remark was intentional and the clarification was also planned in advance, ready to deliver right after the speech. It was a deniable message to Putin."The President's point was that Putin cannot be allowed to exercise power over his neighbors or the region," a White House official said. "He was not discussing Putin's power in Russia, or regime change."
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Here is Biden's speech cued up to a few seconds before the remark..
https://www.youtube.com/watch?v=brIm2OmxuuM&t=2242s