Officials in Montana say they have detected traces of oil in the water supply of the town of Glendive, days after up to 50,000 gallons of oil spilled from a break in a pipeline along the Yellowstone River. NPR's Kirk Siegler is reporting on the story for our Newscast unit. He says: "The EPA and other emergency responders are having bottled water shipped to ... Glendive. Preliminary tests have indicated that some traces of oil have entered Glendive's water supply. There have been no reports yet of injuries, but the damage assessment is ongoing and everything is being hampered by...