By Derek Hawkins and Juliet Eilperin for the Washington Post:
Obama’s interview represents the most explicit remarks he has made on the simmering controversy. During a White House tribal conference in September the president offered an elliptical reference to the issue, telling hundreds of tribal representatives gathered in Washington, “I know that many of you have come together across tribes and across the country to support the community at Standing Rock. And together, you’re making your voices heard.”