care. reporter: is the economy the number one issue for you? absolutely. absolutely. then the environment. reporter: but about halfway through deb hanson was frustrated. senator harris like being in a class of kindergarteners. everybody is trying to talk and get their attention. i appreciate that they want to do that, they want their voice heard. let people speak and take your turn. reporter: for some undecideds that were able to hear the candidates, front-runners started to emerge. kamala harris did a really good job tonight and i think buttigieg, he, too, i thought did a really, really good job. he surprised me. i haven t been paying much attention to him but i really liked his delivery tonight. reporter: michael scholer also took notice of may your pete buttigieg. i ve seen mayor pete. i think he did very well tonight.