If you've spent years warning of trouble from Muslims in Europe, what do you do when it happens?
When you've spent years avoiding the topic, what do you do after Friday's attacks?
If you're President Obama, you continue the avoidance.
He claims that he's always interested in "whatever works" and he's constantly engaging in high-level cognition about the world, and yet no matter what the news, no matter how badly his strategies and ideological priors have been shown to fail, he clings to them with the devotion of a child to his woobie.
It's no blind, thought-free rage at the man in the White House.
It's reasoned, experienced knowledge that bad things happen - if you let them.