Cornell William Brooks, the president of the National Association for the Advancement of Colored People, spoke to demonstrators at the Lincoln Memorial at the conclusion of a voting rights march in 2015. (Brendan Smialowski/Agence France-Presse — Getty Images)

The U.S. Commission on Civil Rights recently issued a 500-page report finding that federal intervention on behalf of minority voting rights has dropped since the 2013 Supreme Court decision striking down key provisions of the Voting Rights Act. The Justice Department has not filed a suit alleging polling places were inaccessible to voters with disabilities since 2008, despite surveys suggesting that 60 percent of polling places may present barriers to some voters.