Missouri voters will face something unfamiliar when it comes time to nominate their party’s presidential candidates in 2024. Gone are the days of arriving at a polling place during a primary election and casting a vote in private. Legislation signed by Gov. Mike Parson in June eliminated Missouri’s presidential preference primary, designating party caucuses for choosing presidential nominees. Missouri’s major parties have typically held caucuses in each county after primaries during presidential election years. The caucuses were for selecting delegates for party nominating conventions. Now, caucuses will be the only way for the public to participate in the nomination of presidential candidates, though the specifics of how they’ll work in 2024 remain to be determined by state parties. “I don’t think most Missourians have any idea this is in the works, that this is what they will confront in 2024,” MU political scientist Peverill Squire said, “because it will, for the most part,…