Democratic presidential candidate Marianne Williamson, calling for a national "atonement" over the treatment of Native Americans, vowed Monday to rescind medals of honor for those who fought against them and even take down President Andrew Jackson's portrait from the Oval Office if she's elected. The spiritual author, who has gained a devoted following in recent weeks for her memorable debate performances, called for a “new era of American history” with Native Americans during an appearance at the Frank LaMere Native American Presidential Forum. "We can atone. We can make amends," Williamson said. "And if and when I'm president of the...