Mimi Walters

Katie Porter's announcement in a new campaign ad marks the most prominent defection over the gas tax repeal from the Democratic ranks yet.

The preliminary count from California's primary suggests that voters in certain high profile districts are much more inclined toward Democrats than they were in 2014. That may or may not foretell a “blue wave” in California, but it does show that Republicans have their work cut out for them.

At the state party convention in San Diego this weekend, delegates were split, offering no endorsement in the race for governor. And they rebuffed two of its most prominent incumbents in Sen. Dianne Feinstein and Attorney General Xavier Becerra, giving their challengers more votes but not enough for anyone to garner an endorsement.