A Back-of-the-Envelope Look at How the House Could Flip

Count the House races, and you’ll get a pretty good idea of whether the House will flip in the fall. No, you can’t be entirely certain how an individual toss-up contest is going to turn out in November. But you can arrive at a ballpark assessment of House changes right now by looking at three baskets of districts and how similar ones behaved in previous midterms. CONT.

Stuart Rothenberg, Roll Call