Meet Katie Hill, the advocate for homeless people running to flip a solidly red California district

Katie Hill has been running for Congress for 19 months, and you can tell. Her answers to policy questions are polished and substantive. She has studies to back up her claims. Her body language tells you she’s at ease, but her resolute gaze belongs to someone practiced at anticipating challenges and personal jabs.

Hill is a 31 year-old executive of a nonprofit, PATH, People Assisting The Homeless, who grew up in grew up in Santa Clarita and Antelope Valley. She would be the fir...