As the author states: "In my upcoming movie, The Story of Change, I talk about how deep, lasting social change – the kind of change achieved by the civil rights movement, the anti-apartheid movement in South Africa, and the early environmental movement – always starts with a group of people committed to a Big Idea for how things could be better. Not just a little better for a few people, but a whole lot better for everyone."

And yet, these days, when we’re faced with huge threats—from growing wealth inequality to disruption of the global climate—we seem to get stuck in small-bore solutions that fail to get to the root of these problems: an economy that puts short-term corporate profits ahead of everything else.