Attorney General Eric Holder finally got fed up Tuesday with claims that the Justice Department went easy in a voting rights case against members of the New Black Panther Party because they are African American. Holder's frustration over the criticism became evident during a House Appropriations subcommittee hearing as Rep. John Culberson (R-Texas) accused the Justice Department of failing to cooperate with a Civil Rights Commission investigation into the handling of the 2008 incident in which Black Panthers in intimidating outfits and wielding a club stood outside a polling place in Philadelphia. The Attorney General seemed to take personal offense...