Trump will end up using her to his advantage.
Of course he will. I'm going to predict how this plays out... a slight revision of what I posted weeks ago.
First off, the interview will be announced about a week in advance. The upcoming "showdown" will dominate the news for a solid week. Little bits will be leaked to keep interest peaking.
She's going to do a "tough but fair" interview. Melania will be on hand. Maybe they'll hug. At some point, they'll laugh together over something or other.
Afterwards, Trump will let up on Kelly. Kelly will lay off Trump.
Millions of American women will see that Donald is a good man at heart, just a little rough around the edges.
Just like their husbands. But, oh see how a good woman can turn things around!