Well, the result will be the same as the 2006 Congressional Elections. They will get their butts kicked, because the Conservative Wing of the GOP has already shown that they will not support RINOs. If they want to hand the White House over to the Democrats, they will endorse Rudy Giuliani.
Bush didn’t seem all that bothered when the Dems took over Congress. “One good thing is we can probably now get a comprehensive immigration bill passed”