Mark Zuckerberg's $100 million effort to reform public schools in Newark remains a case study in the limits of top-down philanthropy.
The challenge facing this new era of philanthropy is compounded by the fact that the institutions that have traditionally mediated between citizens and power are themselves struggling.
The defining challenge for this new generation of billionaire philanthropists is how to exercise influence in a society where trust is fragile and legitimacy cannot be bought.
A customized collection of grant news from foundations and the federal government from around the Web.

In the world of social enterprises, failure is a cringe-worthy moment nobody wants to talk about. But, social entrepreneurs can benefit from their failures.