The gigantic Republican gains of the past week indicate that party trend is now beginning to kick in big time. The Republican leads until this past week are largely due to the voting decisions of people who closely follow the process. The surge in Republican support in the past seven to ten days indicates that the less educated voters who do not follow politics as closely are breaking for the Republicans. Normally, these downscale voters are Democrats, but the economy and the alienating values of the Obama Administration (e.g. Ground Zero Mosque) seem to be driving them to the GOP.
Also boosting Republican prospects is the absence of social issues in the national debate. These elections are turning on unemployment, deficits, the economy, health care, and the national debt, not on gay rights or abortion. So, social liberals and libertarians see no reason not to vote Republican. Only in California are these traditional issues working in driving voters to the Democrats.
A landslide without precedent appears to be in the making.