I've heard it on the media a few times this week, they were all invited on and only Trump accepts. O'Reilly just said it in response to viewer's email. Cruz declined to come on.
A far as the issues go, we all know the issues, its the same issues since at least 2008. immigration reform, tax reform, social security reform, medicare reform, economy growth. Bush 43 was talking about social security going broke as far back was 2004.
It's the progressives that are destroying America.