I don’t know if O’Rourke’s full slate of gun policies are all right, but I do know that we have to start taking deliberate and thoughtful action to deal with this problem. For instance, a mandatory buyback could be met with a constitutional challenge. A voluntary buyback might be most doable.
Even in the radical District of Columbia v. Heller Supreme Court decision in 2008 that established the right to bear arms as an individual right, Justice Antonin Scalia wrote in the majority opinion: "Like most rights, the right secured by the Second Amendment is not unlimited. From Blackstone through the 19th-century cases, commentators and courts routinely explained that the right was not a right to keep and carry any weapon whatsoever in any manner whatsoever and for whatever purpose.”