No endorsement yet from Edwards

John Edwards will not endorse another candidate today.

At his concession speech in New Orleans today, the Democratic presidential candidate will not urge his supporters to back either Barack Obama or Hillary Clinton, Barb Barrett reports.

Instead, he will talk about his signature cause of fighting against poverty. His wife, Elizabeth, and his children plan to accompany him at the speech. He'll then go to work on houses being constructed by Habitat for Humanity. 

After his loss in Iowa, Edwards ran hard against Clinton, taking shots at her during a debate and siding with Obama as a candidate for change. At one point, his campaign sent out a press release declaring the era of the Clintons over.

He had also cricitized Obama for being too willing to negotiate with lobbyists, but not to the same extent.

Edwards has not ruled out endorsing another candidate in the future.