The day has finally arrived.

For what seems like an eternity, the 2016 presidential primaries have been going on, dominating the airwaves, social media and far too many heated conversations with otherwise normally calm and respectful relatives, friends and colleagues.

On Tuesday, Virginians finally get their say.

At polling places in Gloucester and Mathews counties, and the rest of the commonwealth, voters will get to pick the candidate they believe will be the best person to lead the country for the next four years. First, before they cast their ballots, they’ll have to make one decision: whether they want to participate in the Republican or Democratic primaries (sorry, you can’t vote in both).

After that, Republican voters will be asked to select one of five candidates—Ben Carson, Ted Cruz, John Kasich, Marco Rubio and Donald Trump. There were several more in the very crowded field that have already dropped out. The Democratic field is considerably smaller, with...