- Republican presidential hopefuls were in Iowa this weekend. And the field of candidates is set to expand this week. Rachel Scott reports from Florida. Good morning, Rachel. - George, good morning. Well, this is shaping up to be a major week in the Republican primary. Former President Donald Trump still has a commanding lead in this race. But he's about to get a whole lot more competition with his own former Vice President Mike Pence and former senior advisor Chris Christie expected to jump in the race this week. Nearly the entire Republican field crossing paths in Iowa this weekend, making their pitch to voters-- - If we choose another path, we can restore American greatness. - America is not a land of oppression. America is the land of opportunity. RACHEL SCOTT: --as a crowded Republican primary field looks to only be getting bigger. Former Vice President Mike Pence hopping on the back of a Harley at the annual Roast and Ride, teasing his presidential announcement on Wednesday. - We thought Iowa would being the best place to make our intentions known. RACHEL SCOTT: Pence now preparing to run against his former boss, Donald Trump. - Most people know me as vice president, as a loyal lieutenant standing beside the president. I hope should we enter the race that people would get a better sense of who we are as a family. RACHEL SCOTT: And calling out the former president on his praise of North Korea's leader Kim Jong Un. - And whether it's my former running mate or anyone else, no one should ever be commending or congratulating the brutal dictator of North Korea. RACHEL SCOTT: Trump is still the clear frontrunner in this race, but he was notably absent. Governor DeSantis, what message does it send that you're hear and Donald Trump isn't? - I'm just happy to be here. I think the folks here are great. And we've enjoyed our visit. We'll be back a lot. RACHEL SCOTT: Florida Governor Ron DeSantis pitching Florida as a model for the country. - We need to dispense with the culture of losing. Florida shows it can be done. RACHEL SCOTT: Others making it clear, it's time for a change. Does the party need to be headed in a new direction? - Yeah, I think the party needs a new, generational leader. We've lost the last seven out of eight popular votes for president. And that's nothing that we should be proud of. - My crowd's getting bigger. The enthusiasm is getting higher. I'm just gonna keep doing what I'm doing. - When you're having these national leaders, they're saying we need a different leader than Donald Trump. You know, that's a pretty powerful message. - As the frontrunner for now, Trump is playing by his own rules. He's missing those larger cattle-call events with all of the candidates. Sources tell us he may even skip out on the first presidential debate in August. But he's still ramping up his attacks on his soon-to-be rival Chris Christie, saying he's, quote, "wasting his time," George. - And as we said, the field is gonna expand a lot this week. Rachel Scott, thanks very much.