What Is Black Lives Matter?

From the #1 New York Times bestselling series comes the latest title in the Who HQ Now format for trending topics. It tells the history of a political and social movement that advocates for non-violent civil disobedience and protests against incidents of police brutality—and all racially motivated violence—against Black people.

When a Black teenager named Trayvon Martin was senselessly killed in 2012, the African American community called for his murderer to be held accountable. But like man...