That could be a good reason, but I think he just got really impressed by the French parade and wanted one.
However, it is always good tactics to have parallel goals and outcomes, so getting the Democrats to sit own their hands as the troops walk by!!! That is good theater.
Definitely a brilliant move of TDS!
A: Anwar Sadat?
Study the OODA Loop concept. The President has been inside the opposition OODA Loop since he came down the escalator!
This is just another maneuver to box in and define the opposition, which happens to be the worst enemy of our Republic and Constitution.
Friggin Brilliant!