Trump wants an immigration system 'like they have in Canada.' So, one without a border wall, then? 
More seriously, I wonder whether it'd fly. Remember what happened when Lyndon B. Johnson made a similar suggestion?
And, hey, look - he waited until he needed to put together his re-election platform before suggesting this.

More seriously, I wonder whether it'd fly. Remember what happened when Lyndon B. Johnson made a similar suggestion?
And, hey, look - he waited until he needed to put together his re-election platform before suggesting this.
--
Rob Kelk
Sticks and stones can break your bones,
But words can break your heart.
- unknown
Forever neighbours, never neighbors
Government of Canada: How to immigrate to Canada
Rob Kelk
Sticks and stones can break your bones,
But words can break your heart.
- unknown
Forever neighbours, never neighbors
Government of Canada: How to immigrate to Canada