> If a president stretched the limits of executive power to go after guns, half of the country would cheer for it.
That's speculation about specuation about an undefined interpretation. We are bounded by law, including by the Constitution.
> The Constitution is a living document, and the line is constantly pushed back and forth on its interpretation and enforcement.
There is variation in interpretation, but within bounds. If you want to eliminate Constitutional gun rights, you would need to repeal the 2nd Amendment.
