So are there people who think there will still be a convention bounce? There's no way sane people watching at home will actually like what's going on here.
The thing with his wife's speech and Cruz not endorsing him don't help, but it really depends on how is speech is received tomorrow. That's usually what determines the convention bounce.
I really have no idea what he'll do. He could just be his usual self, he could seize the big stage and be an even bigger doofus than usual, or he could use it to "reset" his campaign to an extent and try and come across as more reasonable.