 The incident occurred on a plane that had just taken off in Portland, Oregon. The plane was able to land safely and there were no major injuries. China's ruling communist parties announced the dates for a key policy meeting next month. The so-called third plenum of the party's central committee will take place from July 15th to the 18th. As NPR's John Wooch explains, it will be closely watched for measures to juice China's limping economy.