Larry Sabato’s Crystal Ball: “Despite the haze over the House battlefield thanks to a flood of mid-decade redistricting, Democrats remain favored to flip the House majority next year.”“The one thing that could really change the House calculus would be a U.S. Supreme Court ruling on Section Two of the Voting Rights Act. A maximally positive ruling for Republicans issued early enough in the cycle could allow them to add multiple safe seats in the South ahead of next year’s elections.”