This problem was caused by Republicans who believe that they alone should be allowed to vote and decide who represents the Republican Party in the general election.

There are two ballots.  One has only Republican candidates' names.  Only registered Republicans, Non-Partisans, and Undeclared can choose that ballot.  The other has only Democrats, Libertarians, and Independence Party candidates.  Anyone can choose this ballot.  

So if someone wanted to vote for Nageak or Westlake and Lisa Murkowski, they could not, unless they lived in Shugnak.  

Check out http://elections.alaska.gov/ei_primary.php.