Here’s how I think the debate’s going to go:

Moderator: What do you think the correct response to the Israel-Palestinian issue is?
Donald: Well, I’ll tell you that we need to find out if this man is truly Bill Clinton’s son or not, and if so, put Bill in prison for having an affair.
…
Moderator: What plan do you have, Trump, for improving the standing of the middle class?
Donald: We should ask this poor woman who lost her son in Libya, a gold star mom, how she feels about having Hillary as president.

I do actually expect Wallace to try to keep things in line, but I really do think they’re the answer to all of the questions Trump will get asked.