jenna: jenna: candidates looking to gains support tonight donald trump, ted cruz, maro rubio are leading the pack. trump and cruz are maintaining 10 point leads at the head of the pack trailed by rubio who's in third with about 15-percent. ben carson, the dozen repbulican candidates are rounded out by mike huckabee, jeb bush and rand paul amongst several others. jenna: caucus goers are converging now at their respecitve precincts. let's take a look now in sioux city where we have abc9's political reporter deborah souverain at east high school, where the largest group of republicans caucus goers are gathering, deborah? deborah: deborah: jenna, doors opened about 15 minutes ago...and as you can see...voters are beginning to trickle in.. but this is just a small fraction of the number of people who expected to caucus here at east high school but to give us an idea of what gop caucus goers can just a fourth of the candidates the grand old party is former secretary of state hillary clinton and vermont senator bernie sanders have exchanged leads in the polls in the past month. with former mary

news19's chuck ringwalt was there in chapin when the governor endorsed florida senator maro rubio. 3 "it was just a few short hours ago here in chapin where a couple hundred people came out for senator marco rubio's campaign rally. now the night started off with an introduction from former gamecock quarterback connor shaw, but what most people were here to see tonight was the endorsement from governor nikki haley." "ladies and gentlemen, if we elect marco rubio, every day will be a great day in america. "began her speech reasons why president who have the backs of our military veterans and those in active duty."brittany franceschina is one of the many who attended the rally. "i would say i'm undecided right now, but i'm leaning toward rubio. this is the third time i've heard him speak."an even though rubio now has the endorsment... franceschina says she's still not sure if it will be enough for rubio to take the palmetto state. "i think it's going to be really close on satuday." the governor had the final word of the night...taking the microphone from rubio...and emphasizing south car