I've always found it funny that the party that's so mad at Muslims for not calling and denouncing extremists has so much trouble doing the same thing for extremists in its own party.I agree. Republicans still dominate state and local election, and own congress for the moment, and had the supreme court until recently. Takes a long time for folks to accept reality if indeed they are done nationally.
But they've elected too many racists bigots (Trump is far from their first) to national office to change any time soon. Heck, every time they've even remotely tried to change, the constituents have revolted and voted in someone even further left. The best hope they have is to abandon ship and create a third party at this point.