Weather Affects Oil Pipeline Spill Cleanup in North Dakota

North Dakota regulators say winter weather is affecting cleanup of a "significant" pipeline break that leaked crude oil into a tributary of the Little Missouri River. State environmental scientist Bill Suess (sees) says a landowner discovered the spill Monday near Belfield in western North Dakota. Suess says the cause is under investigation, and the amount of the spill is unknown. Suess says the spill migrated about 2? miles from the spill site along Ash Coulee Creek. Suess says the spill a...