[tanknetter]

Was this a closed or open primary?

I am curious....

Not sure, but I think KY is a close primary state - maybe someone else knows?

[deport]

open closed primaries.

http://www.fairvote.org/research-and-analysis/presidential-elections/congressional-and-presidential-primaries-open-closed-semi-closed-and-top-two/

[Theophilus]

closed but it apparently makes no difference.