On March 14, Missouri governor Mike Parson signed HB 85, aka the Second Amendment Preservation Act, into law.

HB 85's first two sections can reasonably be read as "nullification" of a sort, insofar as they point out the unconstitutionality of a number of federal laws that violate the Second Amendment.

Oddly, however, the US Department of Justice seems more concerned with its third and fourth sections of the bill, which prohibit Missouri's courts and law enforcement agencies from enforcing, or assisting with the enforcement of, those unconstitutional federal laws, and allow Missourians to th...