Says Politico:

As Sen. John McCain works to beat back a primary challenge from the right, Arizona businesswoman Nan Stockholm Walden is taking a look at entering the Senate race on the Democratic side, according to Democrats in Arizona and in Washington.

Walden, an executive at Farmers Investment Co. who served as a staffer for former Democratic Sens. Bill Bradley and Daniel Patrick Moynihan, could provide her party with a credible, well financed candidate in the event that McCain loses or is severely wounded in his nomination fight with former Rep. J.D. Hayworth, Democrats said.

“She could be quite formidable. She has a national network. She’s been very plugged in with women donors – particularly, I think, in Senate races,” one Arizona Democrat told POLITICO.

Full story here.