U.S. politicians have to tread carefully on the issue of violent protests following the fatal police shootings of two more African-Americans. It is especially true of the presidential candidates, who don't want to alienate African-American voters by siding with the police or antagonize others by criticizing law enforcement actions. The safest thing to express is condolences to the family and friends of the black men recently killed in North Carolina and in Tulsa, Oklahoma. Zlatica Hoke has more.
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