CNN Senior White House Correspondent
San Francisco, California (CNN) - President Obama will wake up in San Francisco, California, on Friday amid a five-state, four-day tour aimed at propping up embattled key Senate incumbents.
Obama will fly to Los Angeles, California, to attend a fundraiser luncheon at the University of Southern California for Sen. Barbara Boxer and former Gov. Jerry Brown, before delivering remarks at a Democratic National Committee rally at USC's Alumni Park.
Boxer has opened a slight lead against Republican Carly Fiorina, as has Brown in his effort to win his old job back in a nasty battle with Republican Meg Whitman. National Democrats are still watching these races closely to ensure they don't slip out of their hands.
By Friday evening, the president will be in Las Vegas, Nevada, to attend a DNC rally at a middle school before heading to a private residence for a fundraising event for Sen. Harry Reid and the Democratic Senatorial Campaign Committee.
Reid is stuck in the mid-40s in most polls, despite months painting his Republican opponent, Tea Party-friendly Sharron Angle, as an extremist.
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