What if instead of Islamists, it was right wing extremists who did 911 or something very similar to it? Say, either Neonazis or neoconfederates, or even a combination of both. What would be the result? Would we see a sort of reverse Mccarthyism? Would far right groups be marginalized and allow leftism to be more mainstream? Would the republican party more readily denounce racism and other bigotry to improve its pr?