Diane Feinstein was not up for reelection in 2010. She was elected to the U.S. Senate in 1992 and her term ended in January 2013. However, she did run for reelection in 2012 and won.
2010
2010
Sue Schoemehl. Term up for reelection November 2010 I believe.
Yes, Barack Obama is going up for reelection.
Yes. All members of the House of Representatives are up for reelection every two years.
2007.
242 House Republicans will be up for reelection in 2012, along with 192 House Democrats.
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2012
The most recent US Senate race in California was 2012, between incumbent US Senator Diane Feinstein (D) and Elizabeth Emken (R). Senator Feinstein was re-elected. The next US Senate race in California is not until 2016, when Senator Barbara Boxer (D) will be up for re-election.
A senators term can be up to 69 yrs and 6/9 of the Senate is up for reelection
Senator Shaheen comes up for reelection in 2014, and Senator Ayotte comes up for reelection in 2016.