This tweet was deleted but I still had it open so I recorded it to upload the video here. The text is "One difference between Putin and Hitler is that Hitler didn't kill ethnic Germans, German-speaking people. Putin slaughters the very people he said he has come to liberate." The tweet is archived here: https://web.archive.org/web/20220312133529/https://nitter.net/MaddowBlog/status/1502499687290617856, McFaul actually doubled down and tried to justify this before Maddow deleted the tweet (10 hours later, after 1.9M views): https://web.archive.org/web/20220312142811/https://nitter.net/McFaul/status/1502640208692617217, https://web.archive.org/web/20220312144654/https://nitter.net/McFaul
@MaddowBlog deleted the tweet, 10 hours later. The text is on archive.org and the video here