If those issues alone were enough, I'd like to think they would be reflected in his approvals.
Yes, my point is that they eventually would - hence
the start of the winning. The possible victory over the sanctuary cities will look really great in TV, Breitbart and twitter. But we are not there (yet?).
Business cycle. Google the average business cycle length and then formulate whether the good economy will be there by the re-election.
That's why Trump moves on with the deregulations. That might be just enough for 2020.