It will not be a nasty slugfest. It will be substantive.
And I would put money on that.
Maybe on Cruz's part.
At least at first.
Donald doesn't do substantive very well.
And Cruz is such an easy target it would be hard for Trump not to strike a few low blows.
And I would put money on that.
If you don't mind losing it.
and by substantive, you mean something like “I’m leading him by so much, he’ll be easy to beat” and so on?