That's a good question.
And if he can do it in a year, why the hell can't he do it in six months?
Or three months for that matter.
By the first day of summer after inauguration?
The part of the deal he’s leaving out is where he sells Aztlan back to Mexico and all those immigrants automatically count as deported once the border is redrawn.
You have to imagine this whole presidential run is just to give Trump the chance to do the greatest real estate deal of all time, the only way he can top himself.