Ryan Busse, the one-time Kimber executive who left the firearms industry to work as an advisor to Joe Biden’s 2020 campaign before joining the gun control group Giffords as a senior advisor, is now gunning for a new job: governor of Montana. And while Busse has spent the past few years bashing gun makers and serving as an expert witness in defense of a variety of gun control laws, the Democrat is now re-inventing himself once again, downplaying and even reversing his previous positions on things like banning so-called assault weapons.