The US PEPFAR initiative has brought HIV medication to millions of people globally. Behind this progress are the activists that pressured politicians and companies to put patients over patents.
When people work together, they can move governments to action. Just ask the suffragettes. Still, few people do it. A psychologist explains why, and how to turn that around.
Like many social movements before it that began at the grassroots, Black Lives Matter is becoming a more conventional organization with top-down leadership.