What’s so bad about polarization? I see the divides between factions of Americans as a troubling problem that we should all be striving to address. But lately I keep running into smart people ...

Polarization looms large in many diagnoses of America’s current political struggles. Some researchers warn of an approaching “ tipping point ” of irreversible polarization.

Much like an overexploited ecosystem, the increasingly polarized political landscape in the United States — and much of the world — is experiencing a catastrophic loss of diversity that threatens the ...