What you remember from 9/11?

If anybody has the chance, they just revealed the memorial built for those that crashed into the Pentagon (Flight 93) all over the news and Bush, Clinton, as well as Biden attended to honor those that were lost; I'd recommend watching it on some news site.

Obviously Obama couldn't attend because in light of the plans they've been receiving about another attack, he's probably being kept in isolation. Still great to see them remember each individual that was lost in that flight.

I still expect no one does anything stupid tomorrow. From lame internet trolls to actual threats. And Obama hiding isn't what I expected.

If U.S. knows of the warnings, have all their security measures taken already, and they still hide the president? :/