Hardly. He needs to go in there and:
* Be ready to talk about more details of his plan to make things better and describe what that looks like in ways people can understand.
* Be ready to pivot any sex tabloid questions into the media's obsession with his sex life, but without getting angry, but rather getting on the side of the viewers who are sick of hearing questions about sex and want to hear about solutions.
* Emphasize his ability to get projects done under budget and on time...by hiring people who are competent rather than people who are corrupt.
* He also needs to do his great facial expressions when Hillary says ridiculous stuff, but hold his tongue and not take any bait or get angry. When she is done, he should be ready with wiki-leak backed points that show how corrupt and incompetent she has been. But he should do so as someone explaining why he has no choice but to fire them...calmly and almost with a bit of sympathy.
The man is brilliant, but has a temper. If he is at his best he can kill this thing.
On the very rare occasions that the past debates have touched on policy Trump didn't do a very good job of explaining his positions so he may do well to stick with his attack dog performance from the past. That led him to wins in those.