Including moderators, only during the actual debate, not the pre- or post- discussions of the debate. Any variant of delve counts: delves, delved, delving, delve.

If there are no Presidential debates in 2024 this will resolve to No.

For reference, "delve" wasn't mentioned during the 2020 debate: https://www.rev.com/blog/transcripts/donald-trump-joe-biden-final-presidential-debate-transcript-2020