Your daily look at late-breaking news, upcoming events and the stories that will be talked about Friday:
1. HOLDER DENOUNCES SHOOTINGS IN FERGUSON
The attorney general calls the gunman who wounded two police officers during a protest "a damn punk."
2. ISLAMIC STATE, BOKO HARAM PLEDGE ALLEGIANCE
The IS media arm claims the terror alliance means that the caliphate has now expanded to West Africa.
3. WHAT NASA IS DOING TO SOLVE MAGNETIC MYSTERY
The space agency launches four identical spacecraft on a billion-dollar mission to study the explosive give-and-take of the Earth and sun's magnetic fields.
4. THE NEXT HEALTH THREAT FOR HARD-HIT WEST AFRICA