<Li> Jump up ^ Martin, Jonathan (26 May 2018). "Democrats Go All - Out to Avoid Disaster in California House Races". New York Times . Retrieved 27 May 2018 . </Li> <Li> Jump up ^ "Who can vote in which elections?". NC Voter (. org). Retrieved 2016 - 04 - 20 . </Li> <Li> Jump up ^ KFOR.com - Oklahoma Independent voters now allowed to vote in Democratic Primary </Li> <Li> Jump up ^ "Primaries: Open and Closed". FairVote . February 2008 . Retrieved 2016 - 03 - 21 . </Li>

Can a registered democrat vote republican in the primary