However, that in turn does not prohibit STATE laws, since the First starts with "Congress shall pass no law..."
And, once again, the act of creating the child porn is the crime - just as printing classified information in a newspaper can be a crime - not because you printed something, but because of the action of releasing classified information.
So try YET again.
I observe that Alito cast his first vote today, with the rest of the court, granting a stay of a death penalty execution to allow further judicial review of the case.
Prediction: this new court is going to go even slower and more methodically on death penalty cases than the old one.