. >> reporter: among this set of democrats in the los angeles suburb of south whittier, the talk is groundedthe experience that comes from a life long-lived. >> i'm with a candidate who is being realistic. >> reporter: these ares less moved by vision and big ideas, and attentive to policy specifics. >> and we want our private insurance. >> i like the fact that people should have optis. >> reporter: kathie, elias, jois, and jan are all undecided, but former vice president biden feels like a safe fallback. >> we need someone who c certainly leaning iden. now, i'm although i'm such a strong feminist, so it hurts me. >> reporter:t a millennial phone bank event in westwood, a stark contrast: the under-30 voters are more interested in who vespires them, and most ha made up their mind. >> i mean, i think that we havex a lot of reallllent candidates. i have my candidate chosen, pete buttigieg. >> i think i'm going to support elizabeth warren. >> reporter: for decades, the state of california has been mostly an afterthought for democratic presidential primary candidates, but this year, with state cou