… There are probably 70 or so districts where Democrats have a better than 10 percent chance to win if the national political environment is especially favorable to them. To retake the House, Democrats will try to put as many of these seats into play as possible, and hope to end up with the 24 they need.
To illustrate, we’ve divvied up Republican House districts into eight groups to keep an eye on. CONT.
Nate Cohn, New York Times