today s move puts the s&p 500 once again down for 2015. a major drag on stocks is oil. this morning.e tumbling again - down more than 3%. lost $37 a barrel. that s because of iran s promise to increase its oil production. the national average for a gallon of gas, just under $2 today. star wars: the force awakens made $1 billion at light speed. the new star wars movie passed 9 billion dollar mark just 12 days after its global release. that s three days faster than jurassic world. it led the box office again this weekend bringing in another $153.5 million. the film hasn t even opened yet in china, the second biggest market. this has been a year of amazing stories across the globe. anderson cooper counts down some of the biggest international stories of the year. top ten starts with the shocking prison escape inside the mexican jail cell of joaquin