The US has been shaken by a series of killings of black Americans by white police officers. Just as disturbing: the shooting of five policemen in Dallas by a black sniper. President Obama has been trying to heal the nation. But the wounds are deep.
The US has been shaken by a series of killings of black Americans by white police officers. Just as disturbing: the shooting of five policemen in Dallas by a black sniper. President Obama has been trying to heal the nation. But the wounds are deep.