watch barack obama identify leader black live matter terror group video movement like black live matter always gon na folks say things stupid imprudent think hold well-meaning activists right thing peacefully protest responsible everything utter protest site would say everyone concern police shoot racial bias criminal justice system maintain truthful serious respectful tone go help mobilize american society bring real change ultimate objective speak like true leader radical disruptive chaotic movement legitimate issue raise data evidence back concern express protesters.was barack refer data maybe refer data love see barack data since every legitimate data see clearly show white gun kill police black gun obama warn cop recognize black live matter police organizations acknowledge problem…that go ultimately make job cop lot safe video