Gavin Newsom's Proposition 50 initiative will knock at least one prominent California Republican out of Congress, as two of them each announced their candidacies for the new 40th congressional district on Wednesday.

Once encompassing parts of the Inland Empire and the Coachella Valley, District 41 now will include southern L.A. County cities and a slice of Orange County after Prop. 50 passed in November.

California redrew Congressional district boundaries in effort to combat Texas' new lines. Voters approved the new boundaries in November

The Justice Department has joined a lawsuit seeking to block new congressional district boundaries approved by California voters.

Lauren Babb Tomlinson is the vice president of public affairs at Planned Parenthood Mar Monte, which covers Nevada and Northern California.

Sacramento DA Thien Ho is running for California's 6th Congressional District, focusing on housing and health care.

The Justice Department has sued to block new congressional district boundaries approved by California voters, joining a legal battle that could determine which party wins control of the U.S.