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PBS News Hour
Why we love liking junk news that reaffirms our beliefs
Facebook is exquisitely designed to feed our addiction to hyper-partisan content. In this world, fringe players who are apt to be more strident get a lot of engagement end up at the top of our news feeds, burying the middle ground. Science correspondent Miles O'Brien reports on the ways junk news feeds into our own beliefs about politics, institutions and government.
