#5 is easy. In vegas they don't check anyones bags or put you through a metal detector before they give you a room key. Maybe they should!
In this case, there will most likely be some security changes in that area. For example, because of the Boston marathon bombers you can't bring backpacks to a crowded event.
It's funny I just read this
The last green block is about metal detectors.
I have no clue if it's true.
But the idea is one to keep in mind and see if that truly happens.
It suggests putting metal detectors in the casinos, universities, and federal buildings, but this is a little different because he just brought them up to his hotel room.