Twitter’s Chief Financial Officer Ned Segal explains the platform’s plans for the future, from online safety to opportunities in Africa. Mayor Pete Buttigieg seems to have eked out a narrow lead in the Iowa Democratic Party Caucuses, and CNBC’s Robert Frank explains where his money is coming from. (Spoiler: Silicon Valley, in part.) Former FDIC Chairman Sheila Bair makes the Republican case for supporting Senator Elizabeth Warren and weighs in on the rest of the Democratic candidates. Plus, CNBC’s Eunice Yoon shares details of daily life in Beijing during the coronavirus outbreak and CNBC’s Scott Cohn explains Bernie Madoff’s request for early release from prison. 

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