The country will not swing right in November. What will probably happen is that for the first time in 10 years we will end up with neither party ruling congress.
Which is a very good thing. Checks and balances will be back.
It seems that whenever one side has a significant majority, the opposite side's activism naturally increases. When the GOP ruled during the Bush era there was a lot more grass roots activism from the left.
Now that the Dems have a majority the right feels like they have no voice in policy and so these hate groups pop up.
But what has always fueled activists on both sides of the spectrum is a feeling of powerlessness and a sense of injustice as a result(however illegitimate it may be).
I'm not saying they'll go away, b/c obviously they won't. But it's hard to really energize people using a specter of oppression when there is clearly a more even balance of power.
My guess: the nuts will still be loud, but their numbers will dwindle to just the extremists. Yes, there are a lot of extremists but not nearly as many as we're seeing now at Tea Party rallies etc.
....but the world goes 'round