Mississippi's election law designed for racial discrimination, suit alleges

Mississippi, normally as Republican red as any state, is expecting one of its closest gubernatorial races in years. But four African-American voters have sued in federal court to block the conduct of the election under the state's unique system, which they argue is racially discriminatory.

Since the 1890s, governors and other statewide candidates have had to win a two-tiered contest — securing not only a majority of the votes statewide, but also carrying most of the 122 state House districts. If no candidate crosses both thresholds then the state House,...