[Isabel C.]

In the ‘not full’ picture, everyone is looking in the same direction.

Not only that, even though it's kind of hard to tell from the photo, it looks like everybody in the seating areas are standing. Why would everybody be standing 3 hours before Obama was scheduled to appear on stage?

[RightField]

Not only that, even though it's kind of hard to tell from the photo, it looks like everybody in the seating areas are standing. Why would everybody be standing 3 hours before Obama was scheduled to appear on stage?

And, several people on the floor are taking pictures ... of something.