On July 2, the Guam Election Commission voted to make no change in the type of open primary that Guam uses. The classic open primary, in which each party has its own primary ballot and its own nominees, comes in two styles. Some of the classic open primary jurisdictions provide that the primary voter must ask, in public view, for one particular party’s primary. Others let the primary voter decide in secret inside the voting booth which party primary ballot to choose.
Guam will continue using the secret-open primary. See this story.