Shankar Vedantam

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All right. We've been hearing a lot about the Republican plan to replace the Affordable Care Act. Let's turn now to NPR's social science correspondent Shankar Vedantam to talk about some research that gives us a new data point in this conversation.

Hey, Shankar.

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The fight was over a pair of gym shoes. One teenager faces years in prison. The other — the 15-year-old grandson of Congressman Danny Davis — is dead.

We often hear stories about murders sparked by trivial disputes. And we also hear the same solutions proposed year after year: harsher punishments, more gun control.

But what if science can help us find new solutions? Can understanding how we make decisions help us prevent these tragedies?

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