InsideClimate: Nebraskan landowners who have fought the Keystone XL pipeline to a standstill there urged the state's Supreme Court on Friday to reaffirm that the legislature acted unconstitutionally when it allowed rubberstamp approval of the pipeline's proposed route across the region's fragile sandhills and vulnerable aquifers. Otherwise, said David Domina, the landowners' lawyer, the Canadian pipeline company TransCanada and its political allies would be free to run untrammeled over private landholders and...