Five things to know Thursday, Dec. 10:

1. The Braves make another move. This time they're bringing someone back, though. [Our sports staff has the story, plus more Braves news]

2. About 800 people packed the Marietta High School auditorium last night to learn their odds of surviving an active shooter. [Dan Klepal has the takeaway from that meeting]

3. The Hawks took on the Mavericks in Dallas last night. [Chris Vivlamore's 5 observations from the game | report card]

4. Does your pet still believe in Santa? [Where to get Fido's photo taken, plus 3 more fun things to do today]

5. It is 20 degrees warmer this morning than yesterday. How high will the temperature get today? [Get your full Atlanta area weather forecast here]

Bonus content

Our editors have put together a list of "2015 Must Reads" on myAJC. It's a chance to enjoy some amazing stories and extraordinary storytelling. You'll be glad you did. Today, check out Jay Bookman's column, "Sifting through our Confederate attic: What stays, what goes."