- The group began with small protests that grew after the deaths of Trayvon Martin and Michael Brown
- The Black Lives Matter movement is now trying to focus on local, national political change
- Activist: "We've only begun to see the power and impact"
(CNN)Critics said it wouldn't last. It was a blip on the radar of protest movements. It would fade away like Occupy Wall Street. With no clear structure and no strong leader, some said, it was bound to fail, especially when the infighting began. But still it rises -- and polarizes.