Most of the GOP are RINOS.
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Which is why I never use the term. What we call “RINOS” -are- the Republican norm. Rockefeller, Nixon, Ford, Dole, Romney, Steele etc. are the typical establishment Republican.
People like Goldwater, Reagan and Palin are the outsiders. Think how they were vilified by GOP nomenklatura.
The derisive term “voodoo economics” was hung around Reagan’s neck by one George Herbert Walker Bush.
Masks are slipping all over the political landscape.
Sometimes you take the most conservative Democrat even if they register as a Republican. That is your RINO. If Delaware has a good shot at a Conservative winning, the GOP should not be attacking it. I do not know enough about this race or the candidates, but a blanket endorsement for Castle from the GOP and a blanket endorsement for O’Donnell from Palin speaks volumes.