EDIT: Is 'exploratory' the correct term, at least in the PoliSci crowd?
Packing the courts involved creating 6 additional spots on the court(chosen by the President), if existing justices didn't retire by 70.
https://en.wikipedia.org/wiki/Judicial_Procedures_Reform_Bil...
https://en.wikipedia.org/wiki/Article_Three_of_the_United_St...