Does he need to be locked up? Well, if you have evidence of a crime, file charges and prosecute him. That’s how we do it in a constitutional Republic under the rule of law, rather than the whims of ideologues.
The president is calling for stronger background checks and increased prosecution for lying on 4473s while his son is in trouble for doing precisely that and has not seen a jail cell or a court room.
And you expect me to believe we have a justice system where such a silly suggestion is even possible?