Transcript for California Democratic U.S. Senate candidate Kevin de Leon speaks with ABC News

And we're joined now by Kevin Daley on candidate for the US and the state senator here California so. Assuming you advances the final round of voting gets in the Feinstein give us the playbook what is the argument. Against senator Feinstein and for US senate. Things change we that they values issues and health care about those quarter centuries to me this white. Ration it's Harvard's part I think that we'll have the debate. On issues helping to secure about what. It's a question climate change immigration reform. The department you can hold careful work California certificates it's good that we have choice California assuming your option right make him to run you know and would. Will be able to have that debate that bigots and that we actually exports helped acknowledged Washington. Definitely right. So California values and senator Feinstein. Oh. Do we need to redo or we. Regret was normal to look at their. So California values the argument you make is is it that sent the by senate out of step with California or California twenty team. But the couple is changed dramatically in the past quarter century we've changed. Demographically values wise you know our commitment to climate change department. Our commitments you perfectly resisted what's coming at Washington with this White House passed California. Units processors we've done everything possible to resist killed Donald Trump but with results as well to raise have been which spectacles power. We have push aggressively it was far reaching arbitrage policies the world as a result with a fifth largest economy. A planet earth so they've got everyone a lot of folks in Washington perfectly out of step what's happened here in California. I seas of a senator feinstein's as she talks about teaming up with these new generation you think that's not possible Unita generational change to make this work. While respectful of. Her service and commitment to California and into the patient but I do think it's time that we ushering a new generation of leadership new ideas of fresh voice that change in Washington DC. It's natural in its identical to hold on to repeat. But Tola to powers logs account possible but there's love series issue's topic. But it's California but the laughter tired issue so it is time for legitimacy generally subject to be much but what the if it does make a difference how old you wore or how we don't you war I think everyone has the right to run for office or election it's about pulled me about values are these the dollars that reflected. The California body politic. Cuddy compete financially with the juggernaut that is someone that's been around as long as she has. Houston just raise so much already but even before the general election campaign begins obviously a lot of establishment is gonna rally behind her Hattie -- compete with. Well it's just an issue of how much she's raised his racist department lineage holders. But significant money but it's not lost me that she is believed there many times over and its European with a I'll spend this much money. You keep that seat but I don't think this is the title it's that it's. All entitlements or it is not. Tuesday. A monarch quite frankly. This belongs to people California DoubleTree they'll make the choice. We have to do its best of them if we make enough to news best we can possible to track the mighty. Of those who wonder different points project Washington jungle primary other aid note you know obviously it's it's a La land California not a big fan of it I think that Democrats. Should bill issues are democratic Republicans should real issues. The Republican candidate is the top two process here. It's somewhat confusing epic a lot of voters that's it confused about it because it. First major trees in California we have two primary we've made difference yeah it's been different so now about the biggest fan truth be told but it is what it is that's what we got right now is there any effort is there any talk in the in the legislature on about changing it. Bringing back all of ours I haven't heard. The significant come rescissions in builds it was the body guards changing. It would require constitutional change two thirds vote. Some people California have Devoe. I don't know what plausible ardery VOA news John rivers. Apple's primary system but I'm not the biggest fan of it but it is what is. I do believe that Democrats held that you its select their Democrats. And Republicans built select Republicans. And finally set it going on you and I had a conversation shortly after election telephone we talked about the importance of California standing up for itself the Vieira I think you outlet a lot of things that ended up happening in terms of the we Governor Brown in the state legislature's position California. As that the voice defeats the legal face of the resistance. Eighteen months after that conversation eighteen months or so after the election style how it being spared him and how confident do you feel like California's positioning in the seraph. I feel very confident that the income more than ever could help we must meet some both in America's exceptional examples of beacon of hope and opportunity. In the periods of world it'll be that we can allow one. Eligible aberration reverse generations of progress at the Hyde Park historic diversity or our scientific advancement are economic output. In absence of global responsibility everything that Donald Trump said that he was too. He's actually has committed to doing. He's impacted our apartment or climate or Ingrid hardworking families and that's why I've made the decision the to resist but resist what results when I just resistant forms isn't sick. But and as a result we've become the fifth largest hugged world with bits of social because we do the opposite would Donald Trump says it does Washington. All right Kevin they'll they'll about it it thanks a must patriotic you thank you.

This transcript has been automatically generated and may not be 100% accurate.