She's an Iraq War veteran promising to end "regime-change wars"

Outside the theater, Ann Huston told CNN that she's not a single-issue person, so she's looking for answers from the candidates on wide-range of key issues -- including women's rights, gun control and mental health issues.

Asked if she knows how she is voting for in 2020, Huston said, "No, not at all."

"(Amy) Klobuchar said yesterday, 'Whoever the best woman should win,' so I am totally a fan," Huston said.

She said she keeps her mind open and she wants to look at all the candidates.

"I absolutely think we need change," she said.