KCBS Insider Phil Matier is off this week.

A runoff election to replace Kevin McCarthy's congressional seat takes place tomorrow in California's 20th district.

For more, Margie Shafer spoke with Sonoma State Political Science Professor David McCuan.

You can listen to this entire interview and past Phil Matier interviews on the Audacy App. Download the app on your smartphone and favorite KCBS Radio. The interviews are posted in the On Demand section or you can utilize the Rewind feature to listen back.