“They pull a stunt like that and I will vote for the Democrat (which I have never done) just to spite them and teach them not to f- with us.”
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I agree with your sentiment, but voting dem is exactly what the GOPe would want you to do at that point.
They’d rather keep the existing 2-party system (Dem and DemLite -AKA GOPe) than allow Trump to come in and shake things up.
IMO, if they deny Trump the nomination, the only option is to write him in. If that fails, it’s CWII time.
...as Reagan did.
The GOPe had it made before Reagan took away their punch bowl. They had safe seats with all the pork and hookers they wanted from their Democrat betters. All they had to do was be the Congressional Washington Generals and never try to get anywhere close to a majority let alone take over. If any of the rank and file, or worse, an outsider, tried to change things, it was the GOPe's responsibility to exact swift punishment (something you see to this day in the way the GOPe saves its venom for conservatives).
As long the GOPe played by the those rules, their world was a great place. Reagan's near defeat of Ford in 1976 and his election in 1980 brought many conservatives into the mix and wrecked the GOPe's world. They have never and will never forgive conservatives. The idea that pulling the rug out from under Trump at the convention would drive away his supporters as well as the remaining conservatives leaving just the GOPe in place sends massive thrills up their legs.