Shankar Vedantam

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

RACHEL MARTIN, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

STEVE INSKEEP, HOST:

Turn on the TV, and you'll find no shortage of people who claim to know what's going to happen: who's going to get picked for the NBA draft, who will win the next election, which stocks will go up or down.

These pundits and prognosticators all have an air of certainty. And why shouldn't they? We, as the audience, like to hear the world's complexity distilled into simple, pithy accounts. It doesn't help that these commentators rarely pay a serious price when their predictions don't pan out.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

RACHEL MARTIN, HOST:

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