Update: The chat has ended.

The 1st Congressional District primaries begin Tuesday.

Do you know who you’re voting for?

Join political reporter Robert Behre for a live chat at 1 p.m. to discuss the race and ask questions. Who are the frontrunners? Is there a dark horse candidate?

You can contribute to the chat at http://live.postandcourier.com/ on Facebook or by using the #sc1 hashtag on Twitter.

Read Sunday’s voting guide here.