12/13/2008 05:12 am ET | Updated May 25, 2011

History Working Against A Palin 2012 White House Run

Sarah Palin is not ruling out a White House run in 2012, but history is working against her:

But a look back at recent history shows that the track record of vice presidential running mates on the losing ticket who ran for their party's presidential nomination in the next election cycle is not a promising one.

Four years ago, John Edwards was in much the same situation Palin finds herself in right now. Edwards was John Kerry's running mate on the losing ticket in 2004, and officially launched his presidential bid in this campaign in December of 2006 -- only to come in second in the Iowa caucuses this January, followed by a third place finish the following week in the New Hampshire primary. The former North Carolina senator withdrew from the race for the White House on January 30.

Go back another four years and it's a similar story. Sen. Joe Lieberman was Al Gore's running mate on the losing ticket in 2000. Lieberman launched his own bid for the 2004 Democratic presidential nomination, but dropped out on February 3 of that year after losing six straight primaries.

Another factor working against Palin is her favorability ratings have deteriorated. Under half the American public views her favorably, and close to that many view her unfavorably.

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