Fmr. DHS Secy Johnson: Any president needs to acknowledge 'Black Lives Matter'

02:20

Former Homeland Secretary Jeh Johnson joins Andrea Mitchell to discuss how the Trump administration is addressing the unrest, notably condemning violence without addressing the shooting of Jacob Blake. "No administration can govern in this moment credibly without acknowledging the grievance Black Lives Matter," Johnson says, "and the endless string of excessive force, killing of unarmed civilians, continues to happen in this country."