What you need to know Friday, August 7.

1. A young Cobb County couple was shot to death in their car, while their toddler was in the back seat. Family members say they believe the couple tried to drive for help, but instead crashed in Powder Springs. [Read more here]

2. A combative Donald Trump jolted the first Republican debate of the 2016 campaign by warning he might run as an independent if denied the GOP nomination. [Read more about the debate here | coverage of the kids' table debate]

3. Now the candidates head for Atlanta and the RedState Gathering. If you're in Buckhead today, prepare for major traffic snarls. [Read more here]

4. A Fulton County grand jury cleared former Union City Police Officer Luther Lewis in the shooting death of teenager Ariston Waiters. Sources say Waiters' mother, Freda, is devastated by the news, which was delivered in a personal call from Fulton District Attorney Paul Howard on Thursday evening. [Read more here]

5. Can you say "cold front'? It will be the second day in a row that Atlanta isn't expected to be in the 90s. Today's high should be around 85, with a 10 percent chance of rain. [See the full forecast here]