Only on the "CBS This Morning" podcast, staff writer for The New Yorker, Andrew Marantz, joins CBS News correspondent Vladimir Duthiers to discuss his new book, "Antisocial: Online Extremists, Techno-Utopians, and the Hijacking of the American Conversation." Marantz shares what went into his reporting on how extreme voices are reshaping the conversations of society. From trolls on social media to the algorithms created by tech companies, Marantz explains how emotion is driving the current informational ecosystem and what can be done to change it.

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