The third rule is that both of those rules will be quickly broken, as Slate’s Dave Weigel and Matt Yglesias demonstrated within moments of reports of a shooting on Capitol Hill:

Weigel thought it was a good time for some snark:

Hilarious, except not really:

Yglesias thought the shooting was a good opportunity to discuss shutdown politics:

We’re sure that was the first thing on officers’ minds as the bullets were flying.

Not only is Yglesias’ comment not funny, but it’s also wrong:

Another futile reminder:

Too soon? Unfortunately for some, it’s never too soon. Markos Moulitsas of The Daily Kos helped Weigel and Yglesias demonstrate that:

The abhorrent douche is strong in this one.

Suspending politics for an hour or so during a story with potentially devastating consequences for people is so out of style.

This provides the best summary: