What better way to get YOUR agenda passed through Congress without getting any of the blame, then coming to the rescue of your party as it tries to regroup as the only prominent candidate available without stain. Just a hunch.
She would have had to be prescient enough to have been able to predict last week's election debacle way back in 2008. And, to predict the debacle, she would have had to predict that Obamacare would pass. That vote was way too close to be predictable two years prior.
As for getting her agenda passed--she is such an egomaniac that it's only her agenda if she was the one who signed it into law.