I tried similar searches (”Trump about to be challenged”) without any luck also. But using the search on FR there’s this:
https://freerepublic.com/focus/f-bloggers/4249401/posts
which includes (as I type, anyway,) this cut from a Stephanopolis/Biden interview on July 5:
https://x.com/RNCResearch/status/1809388073282634217
S: Well, that is true, but 2020 was a close race, and your approval rating has dropped significantly since then-I think the last poll I saw, i'was about 36%
B: (Hold on one wu'm....) [then a dismissive look as Staphanopolis continues]
S: Americans who think you're too old to serve has DOUBLED since 2020. Wouldn't a clear eyed political calculus tell you that it's gonna be much tougher to win, in 2024?
B: Not when you're runnin' against a pathological liar. Not when he hadn't been challenged, in a way that he's about to be challenged. Not when people (gah muh ...) [Stephanopolis breaks in]
S: You had months to challenge him.
B: Oh sure I had months t' but I was also doin' a helluv a lot of other things, like wars, around the world, like keeping NATO together.