5 things to know: Is this Atlanta businessman going to challenge Isakson?

Republican U.S. Sen. Johnny Isakson is popular on both sides of the aisle.  BOB ANDRES  / BANDRES@AJC.COM

Combined ShapeCaption
Republican U.S. Sen. Johnny Isakson is popular on both sides of the aisle.  BOB ANDRES  / BANDRES@AJC.COM

Five things to know Tuesday, March 8:

1. The mystery of which Democrat will challenge Sen. Johnny Isakson might be solved. [Greg Bluestein tells you about the Atlanta businessman named by sources]

2. Investigators searched the burned remains of a home where a mother and two children died for any signs of arson indicators. [Alexis Stevens has the story on what else they were looking for]

3. If you bought tickets for tonight's AC/DC concert, you'll want to read this. [Melissa Ruggieri brings you the bad news]

4. Coaches are still baffled over how GHSA rim measurements were wrong during the state basketball finals. [Read more on this story here]

5. It's already near 50 degrees. How high will the temperatures go today? [get your Atlanta weather forecast here]

Bonus content

March is Women's History Month, and today is International Women's Day. Celebrate today by reading Dolores Huerta, considered one of the most influential labor activists of the 20th century.