Russia's troll farm has had a field day exploiting black grievances in ads on Facebook.  Now a Democratic congressman has blamed it on a lack of diversity from the Facebook employees who should have been stopping it.  Fighting racial grievance-mongering with new racial grievances?  You can bet that the Russian troll farm is getting busy on that one. According to WBIR-TV: SAN FRANCISCO – In a heated moment during this week's hearings on Russian social media ads, Rep. Terri Sewell questioned whether the dearth of African Americans in Facebook's workforce contributed to the company's failure to catch Russian operatives using fake accounts to stoke racial tensions ahead of last year's presidential election. Displayed behind Sewell, a Democrat from Alabama, was one of the Russian-backed ads sharing a famous black-and-white photograph of the Black Panthers from 1968. The message: "Black Panthers were...(Read Full Post)