Assistant Attorney General Thomas E. Perez told the U.S. Commission on Civil Rights on Friday there was "insufficient evidence" to bring a civil complaint against members of the New Black Panther Party who disrupted a Philadelphia polling place in the 2008 general elections... The commission began an investigation into the New Black Panther Party case after the civil complaint was dismissed, trying to determine if political interference led to the dismissal. Several commission members also have been angry over what they have called the Justice Department's refusal to turn over documents or to make witnesses available to be interviewed. The...