Only registered democrats.
Democrats, and then only if they are registered to vote in their county.
In most primary elections, you are only allowed to vote for members of the party that you are registered with. In general elections, you are allowed to vote for whom ever you wish, regardless of the party you are registered with.
Democratic Party.
This is purely up to the party leaders to decide. An example in the latest primaries is Florida, which was not allowed by the Democratic Party to take place in the primary as punishment for moving up their primary voting date.
no
All voters from any party are allowed to participate in an open primary. In an open primary, a voter may cast votes on a ballot of any party.
A semi-closed primary is one in which party-affiliated voters cast votes in their party's primary, and non-affiliated voters can choose which party's primary to vote in.
A semi-closed primary is a type of primary election where only registered party members and unaffiliated voters are allowed to participate. This means that voters who are registered with a different political party are not allowed to vote in the primary, but unaffiliated voters are given the option to choose which party's primary they want to participate in.
In an open primary anyone can vote for any candidate in either party regardless of whether they are registered democrat or republican. In a closed primary you can only vote for someone in your registered party.
In the United States, you do not need to declare yourself a member of any political party in order to vote for president; but in primary elections, it is necessary in many states to choose one party and register as a member. You will then be given the ballot that has the candidates from your party-- in this case, the Democratic party ballot.
In an open primary anyone can vote for any candidate in either party regardless of whether they are registered democrat or republican. In a closed primary you can only vote for someone in your registered party.
In most primary elections, voters are only allowed to vote for candidates from their registered party. Writing in a candidate from another party generally goes against the rules and regulations of the primary election. However, rules can vary by state, so it's important to check the specific guidelines for your state's primary election.