Amber Phillips: “Republicans have a slim, three-seat majority in the Senate that they’re trying to hold on to in November. And they are in for a battle to do it: There are 13 chances on this list for Democrats to flip Senate seats and just two for Republicans.”
- More likely to flip than not: Alabama, Colorado and Arizona
- Toss-ups: North Carolina, Maine, Iowa, Georgia, Montana
- Could flip under the right conditions: Georgia, Michigan, South Carolina, Texas, Kansas, Kentucky, Alaska