Circle of Blue: By almost any of the conventional measures of cultural and economic influence, the clash over water security and heritage between a tiny North Dakota Native American tribe and a wealthy and well-connected Texas pipeline operator would appear hopelessly tilted one way.
Yet on Friday, convention was set aside, at least temporarily, in an escalating struggle over water, energy, and land on the American Great Plains.
Around midday, after weeks of confrontation and protest along a stretch of North...