Peter Singer talks solving social media and warfare conundrum

New America CEO Anne-Marie Slaughter talks to Peter Singer, a Senior Fellow at New America and Professor of Practice at ASU’s Center for the Future of War. Singer talks about the changing nature of both warfare, which includes social media. This shift has brought toxicity to civic engagement, and Singer talks about ways to solve that.

MORE: Explore other episodes of “Innovating the Future”

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Ken Burns presents ‘Country Music’

The new documentary premieres Sunday, Sept. 15, through Wednesday, Sept. 18, and Sunday, Sept. 22, through Wednesday, Sept. 25, at 7 p.m. each night

Return to the world of 'Father Brown'

The charming Father Brown returns to solve more mysteries in the sleepy Cotswold village of Kembleford. The new season starts Saturday, Sept. 14, at 7 p.m. on Arizona PBS.

Season 8 of 'Death in Paradise' brings more quirky island mysteries

On Saturday nights at 8 p.m., Detective Jack Mooney of "Death in Paradise" is really starting to get to know the people and places of Saint Marie – to a degree that surprises some of his colleagues.