So why do R's control 2/3 of state government and both houses of the national Congress?
You are clearly delusional.
The reason the Republicans control so much of state/local governments is because of US politics, i.e., gerrymandering evidence which does not make it onto the map. A further illumination is the dividing of a state, county, etc., into election districts so as to give one political party a majority in many districts while concentrating the voting strength of the other party into as few districts as possible. In about 10 years the Dems will have their turn at carving up districts. Also, traditionally, midterm elections turn out fewer American voters, and it's during this time the GOP wins with fewer voter turnouts.
Today, most Republican governorships are safe and it is hard to replace them with Democrats. The average American would not be lured into voting for the current Republican party because the policies they espouse are too pvet the top. During the current climate in a presidential election year, mainstream Americans would not vote for the Republican Party. It will be a long time before the Republicans gain the US presidency again.
BTW, You have a filthy vulgar mouth. Where were you reared, in the slums?