Sometimes a word will escape me when I’m talking even though I know the word very well. When I move on to a different thought then the word usually comes to me. So that may have been what happened to her as well.
I only mentioned her omission as the vision of President Trump standing on the “foundation” as a “builder” is pretty astonishing, considering she didn’t really know how to describe a “foundation”.
I’m sure what she saw was “the foundation that has already been laid, with Christ as Chief Cornerstone”...