MSNBC’s ‘All In with Chris Hayes’ host and ‘The Sirens’ Call’ author Chris Hayes joins 'Squawk Box' to discuss the role of technology companies have played on the political divide in the U.S., how the companies have developed products that significantly reduce attention spans,

MSNBC's Lawrence O'Donnell is joined by his fellow MSNBC host Chris Hayes to discuss the latter's fascinating and illuminating new book, "The Sirens' Call: How Attention Became the World's Most Endangered Resource.

Chris Hayes joins Morning Joe to discuss his new book 'The Sirens' Call:  How Attention Became the World's Most Endangered Resource'.