good morning. i'm john muller. >> i'm diana perez. here are some of the top headlines we're following this morning on "world news now." former army private bradley manning will learn later this morning how much time he will serve in a military prison for leaking reams of classified documents to wikileaks. manning faces up to 90 years behind bars. >> two teenagers in oklahoma now formally charged with the murder of a 22-year-old college baseball player, a third teen facing accessory to murder charges all three in custody. police claim the teens shot their victim for the fun of it. >> police have a suspect in custody this morning in the disappearance of a 12-year-old missouri girl, adrianna horton, bobby born, jr., is reportedly a former neighbor of the missing girl's family and at one point even worked with her father. >> vice president biden's son beau undergoing tests. at a world renowned cancer center in houston.