Dear GOPpie Solons: DON'T Go There. You WILL Regret It.

[TygrBright]

7. It's got a long history of usage.

Here's an example from a 1958 Life Magazine covering Nixon's influence on the GOP:
Mr. Nixon's Party

Here's a more recent example from US News and World Report, April 27th, 2016 issue:
he left-liberal establishment is underestimating the attractiveness of Trump just as much as the solons of the GOP did when this whole thing started.

It's actually a pretty common usage in political discourse, to describe elements of leadership associated with a political party, group, or faction.

You can even find it on Vocabulary.com.

So there you are. You now have an increased vocabulary and greater exposure to common terms in political discourse.

If you don't want to thank me, next time remember that search engines are your friend. But in the mean time, you're welcome!

helpfully,
Bright