Five things to know Friday, March 4:

1. The GOP field is down to four, but the "below the belt" comments have increased. [Greg Bluestein has more in his blog | Politifact runs statements through the fact-checker | insults fly once more]

2. University presidents lobby for changes to "campus carry" proposal. [Greg Bluestein tells you what they want]

3. Two bodies were found in a basement after a home fire was extinguished. [Lauren Foreman and John Spink have the details]

4. Forgotten cellphone gets man 20 years in prison. [Ellen Eldridge tells you why]

5. You won't need your umbrella today. But what about the weekend? [get your Atlanta weather forecast here]

Bonus content

March is Women's History Month. Today we bring you two stories: Nancy Morgan Hart, who has a Georgia county named for her; and Helena Rubinstein, who became a makeup mogul.

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Delta employees are under investigation because of content “related to the recent murder of activist Charlie Kirk” that “went well beyond healthy, respectful debate,” CEO Ed Bastian wrote in a companywide memo Friday. (Miguel Martinez/AJC)

Credit: Miguel Martinez