I envisioned something like this in my 2015 book No More Patriots:
After the final essay had been read, each of the former Presidents in attendance gave his short remarks, which could be summarized with these six words:
"It’s the right thing to do."
When each of the sculpted heads originally was dedicated, it had been kept hidden behind a giant flag before its unveiling. This time four large shrouds were sequentially dropped across the faces to hide them from view at the end of the ceremony. Each shroud was emblazoned with a single word, reading as follows from left to right:
"WE – ARE – SO – ASHAMED"
All flags in the Avenue of Flags leading to the Grand View Terrace were taken down, folded, and given to the essay contest winners and several of the children in the audience. The Presidents then left the stage together and were escorted to a long motorcade which preceded the rest of us out of the parking lot. After the remainder of the crowd left, a large sign was placed at the entrance which said "PARK IS CLOSED TO THE PUBLIC".
It's a shame more people have not read my book - it clearly predicts most of what is now happening in the US.
I really hate it when I'm right but no one listens.