. >>> new this morning, moammar ghadhafi's third son has returned to stand trial. he fleed after his father was killed in 2011 as head of the libyan special forces, he is accused of shooting protesters among other crimes. he was known as the black sheep of that family because of his playboy lifestyle. >>> in south africa defense attorneys for oscar pistorius have been trying to poke holes in the testimony of prosecution witnesses. they're challenging the time line offered by two neighbors who have testified about what they heard and when during the morning that pistorius' girlfriend was killed. and that follows testimony from a friend of pistorius yesterday, kevin lerena said a .before her death pistorius asked another friend to take the blame when a gun accidentally fired under a restaurant table they were sharing. his testimony was to cast a shadow on pistorius' character. >> breaking overnight a short but frightening flight for passengers on an american eagle flight bound for illinois. flight 3400 made an emergency landing in greenville, texas, shortly after tak