Now that Sarah Palin is out of the way speechifying around the nation, things are re-heating up between Bristol and her baby-daddy. "Levi even stays overnight," a source close to Bristol tells Us. "I think they are back together." They're "still very close," the sources added. "Now that Mama Palin is out of the picture and Bristol is on her own in Anchorage, they spend more time together than most people think." What they do on those overnights isn't clear. Bristol told Oprah Winfrey recently that she's not planning on having sex again until she weds.
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