The U.S. Supreme Court, in 4 to 4 decision, affirmed the decision of the U.S. Court of Appeals for the 9th Circuit upholding the right of public sector unions to collect agency/fair share fees from from individuals who choose to not to be members.
The per curiam decision can be found here: http://www.supremecourt.gov/opinions/15pdf/14-915_1bn2.pdf