"Why are there some within the GOP who want the GOP to go moderate or moderately liberal"Stupidity or complicity - it's one or the other.
Charitably, I would say that in John Cornyn's case, it is the former...
It is total Complicity. See Rinos are not about ideology like conservatives. Rinos are about class and elitism. They marry liberal, go to school with liberals and read the NYSLIMES just like liberals. They live just like liberals (anyone for a weekend trip to Argentine to hunt for mistresses!!, votes just like liberals (albeit in slow motion)and go to parties with them.
Conservatives actually believe in God, the Constitution and with a free market. Our values are just so many talking points and political punchlines to Rinos!!