> When Kasich’s adviser asked how this would be the case, Donald Jr. explained that his father’s vice president would be in charge of domestic and foreign policy.
> Then what, the adviser asked, would Trump be in charge of?
> “Making America great again” was the casual reply.
http://www.nytimes.com/2016/07/20/magazine/how-donald-trump-...
Edit:
I don't know if this is just a gaffe by Trump Jr but it seems to be Trump Sr's style -- hire someone to do the job for you.