[Topic] runs
[duration]; I now have
half. Outline: [paste].
Cut it — and list what
the audience won't hear
so I can decide.

Cut a Presentation in Half

The cut, plus an explicit list of what they'll no longer hear.

Prompt

My presentation on [topic] runs [duration] and I've been given half that. Here's the outline: [paste it]. Cut it, and tell me what the audience now won't hear so I can decide if that's acceptable.