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Through now and you know, people havent read those books, it might be a good time to revisit them so they understand a little bit about what could be happening to the ukrainian people at this point and its unacceptable. >> its certainly unacceptable but that area has been levelled and its hard to imagine any relief being in sight at this point. just a horrendous situation. thank you so much to both of you for your time. we appreciate it. >> thanks. quick programming note. make sure you catch t...

Prove it. nbc news halie jackson has the details. >> reporter: explosive information from a former facebooks employer. >> haugin coming publicly for the first time. before the riot in capitol, facebook turned offsettings combatting the threat of dangerous -- >> as soon as the election was over, they turned it off to prioritize growth over safety. >> reporter: haugen armed with tens of thousands of documents points to an algorithm.