Actually, She’s a Representative but with Boxer and Feinstein as Senators, the difference must be minimal. Sad state of affairs.
Appears to be a map of blue and red California. I sympathize.
http://upload.wikimedia.org/wikipedia/commons/thumb/1/13/California_State_Senate_2011-2012.svg/656px-California_State_Senate_2011-2012.svg.png