Larry Kramer, writing for the Giving that Gets Results series from Stanford Social Innovation Review and the Bridgespan Group:

Whatever foundations do to cope with polarization in the short run, there can be no doubt that everyone’s long-term welfare requires taking action to alleviate it. For this reason, the Board of the Hewlett Foundation recently agreed to explore an initiative to tackle polarization head on.  It’s a daunting proposition given the size of the problem. Yet it’s the kind of challenge the philanthropic sector is uniquely situated—indeed, has a responsibility—to address.