[Mariner]

It was readily apparent to even a casual observer that Clinton knew there would be a "closing statement" on why Americans should elect her.

She was most definitely regurgitating a prepared response.

[a_screen_name]

I noticed that too.
When Wallace said they would each get a minute, I started a timer. Her response was almost exactly 60 seconds.
There is no way she didn't know about it before hand.