The GOP’s prospects for re-taking the House of Representatives track nicely with the course of Obama’s unpopularity. The following graph depicts the relationship between Obama’s net unpopularity (percentage strongly disapproving less percentage strongly approving) and the number of percentage points by which votes cast for GOP House candidates will exceed votes cast for Democrat candidates.
Derived from the results of Rasmussen’s generic congressional ballot and presidential tracking poll.
The points on the graph represent weekly results of the two Rasmussen polls from January 8, 2009, through October 10, 2010. I will update the graph following the release of congressional ballot results for October 17, 24, and 31.
Obama’s current unpopularity rating is -14 percentage points. If it stays around that level, the GOP will do as well as I forecast in “Three Weeks Hence“: a 37-seat majority in the House. Even if Obama enjoys a sudden resurgence to -10 — which is his standing when his “base” flocks to him — the GOP will enjoy a 5 percentage point advantage in the popular vote for House candidates. That translates into a 21-seat majority.
All of this assumes no major shocks between now and election day — nothing on the order of a terror attack, a specific terror threat, a scandal involving a major political figure, and so on.
Politics and Prosperity 