As we told you earlier today, MSNBC anchor Brian Williams and his guest, New York Times editorial board member Mara Gay, served up an arithmetic fail for the ages:

That’s getting mocked far and wide, but Daily Beast reporter and MSNBC contributor Sam Stein kinda sorta defended the embarrassment:

But aren’t journalists often the ones who take it upon themselves to fact check everybody else?

Journalists might not be good at incredibly basic math, but people should trust their accuracy on other things?

Ya think!?