While walking through her planned exchange with Biden over busing, Harris’ campaign planned for a variety of answers from him, from contrition to a more measured approach to the more forceful denial of the position that he ended up giving — a stance that was called out by fact-checkers as untrue given his past quotes rejecting the wisdom of busing.

Harris herself ended up settling on a line that within minutes would appear in social media memes and just a few hours later would be screen printed on t-shirts selling for $29 on her website: “That little girl was me,” she said, of her desegregated class.

“You replay the thing and it seems like she was having a conversation with him,” a Harris campaign official said in playing back the encounter. The point she drove home, the aide added, was “this was something that meant something to me.”