Five things to know Wednesday, Dec. 16:

1. Three times during the GOP debate last night, the moderators let the public ask questions. Two of those questions came from Georgia Tech students. [Read Greg Bluestein's column here | Jennifer Brett has social media praise for the Tech students | Jamie Dupree's quick takes on the debate | Trump's stumbling answer on America's nuclear arsenal]

2. Who took down Jordan Smith in the finale of 'The Voice'? [Rodney Ho has the answer]

3. The lead detective in the Justin Ross Harris case testified that Harris' statements to police didn't hold up. [Christian Boone has the latest in the trial of a father accused of murder in the hot-car death of his 22-month-old son]

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 our coverage of the Harris case, plus 11 other top crime and punishment stories of the year.

4. Did you know you can send carolers to someone's house or office party? [Find out how in our 4 things to do today]

5. It might be chilly right now, but the temperature will rise about 20 degrees throughout the day. [Get your full Atlanta area weather forecast here]