1. First, we don't have control of the senate.
If the Obama is such a failure as you imagine him, it's not very likely that his control of the senate will extend beyond the next midterms.
Or maybe they will like
being able to get adequate medical care which for many is very difficult today.
The policies proposed by Romney will hardly help with the US national debt either.
There are quite a few Eastern European countries with a flat tax rate. Though strangely many of their citizens don't seem to appreciate the freedoms they have and want to move to the social democracies of Western Europe.