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Lester Holt: Buffalo shooting follows 'well-worn path of racially fueled anger and violence' in America
A gunman killed 10 people this weekend in a Buffalo supermarket. It was another mass shooting in America. Another tragedy along "a well-worn path of racially fueled anger and violence." Many are feeling sad. Angry. Tired. "And hardest to say: we feel helpless," Lester Holt says.