This is a major propaganda blitz from the left. No appeals to logic or reason will have any effect on them.
Actually, it is interesting to notice the apparent coordination levels.
Mumbles about gun control
Colorado incident
More mumbles about gun control...no takers
Terror attack in CA
Wholesale shrieking about gun control (But NOT about vetting potentially terrorist "refugees"), which has been blown off the front page by terrorists and nutjobs and howls for the sane and law abiding to surrender their means of defense.
There's a pattern, there.
Remember, this is BHO's last big 'legacy' point (and I would not put it past certain people to allow operations to proceed instead of interdicting them, nor to tweak the potential perpetrators of others.
and the ever present crisis drills...