Warren Buffett’s son Peter has dropped $160 million—and probably a lot more—to turn a county in upstate New York into his personal farm-to-table utopia, complete with its own radio station, music festival, and currency

The Tides Network is a powerful instrument leveraged by billionaires working to change America, while shielding their philanthropic dollars from public scrutiny. Here’s how it works.

Deep-pocketed funders—including the Rockefellers and the Buffetts—are creating a constellation of activist groups like Stosh Cotler’s Bend the Arc that aim to rewire American Jewish life