Original sentence: He will be facing Igor Birman, Congressman Tom McClintock's Chief of Staff and 2012 U.On September 3, 2013, Ose formally announced his candidacy for California's 7th Congressional District, in hopes to face freshman Democrat Ami Bera, who unseated Dan Lungren in 2012.Senate candidate Elizabeth Emken in the June 3rd primary election
Edited sentence: During his announcement on a local Sacramento radio station and subsequent interviews, Ose noted that he had formerly represented "about 70%" of the current 7th Congressional District.He will be facing Igor Birman, Tom McClintock's Chief of Staff and 2012 U.On September 3, 2013, Ose formally announced his candidacy for California's 7th Congressional District,  setting up a potential match-up with Democrat Ami Bera, who unseated Dan Lungren in 2012.Senate candidate Elizabeth Emken in the jungle primary