I also want to slap you upside the head for using the "Scalito" bogon, but I need some hard evidence before I do so. But be warned: it's coming.

I'll put on my fencing mask. As a first-order approximation, check their voting records. I believe they vote as a block (bloc?) in well over 75% of decisions, regardless of whether they're in majority or minority. There may be ideological differences between them but from my point of view that's like analyzing the different species of cockroach that's infesting my kitchen. I don't really care about the difference because it doesn't have a functional output that matters.