[Mariner]

" More than half, up to 70%, are regulars who have attended a number of caucuses over the years, and the party knows them by name and address."

So, you're saying the Iowa Republican Party gave Quinnipiac a list of names and numbers...and they called a subset of that list?>p>Makes sense.

It would cost far too much time and money to do it randomly. And right.

[Mariner]

So, another question to be unanswered, is: Is there a candidate in the race who is likely to bring out folks who traditionally have not invested the time and effort necessary to fight with their neighbors?

I remember a few years back in Washington State GOP caucuses there was a sudden surge of Ron Paul supporters and the exploding heads in the established hierarchy rivaled St Helens.

[jjotto]

I guaranty that the Republican Party of Iowa did not knowingly give Quinnipiac lists of caucus attendees.

Candidates have such lists, but are prohibited from sharing them, and there’s probably too much downside to cheat. There’s a felony conviction for prohibited campaign practices in Iowa news right now.