How can it happen here?
Canada isn't perfect but there's only 10 things wrong with Canada:

1) The economic system - corrupt, greedy and rigged against the 99%.
2) The political system - corrupt and rigged against the 99%.
3) The justice system - only for the upper classes
4) The university system - prohibitively expensive.
5) The employment system - rigged, corrupt and punitive.
6) The immigration system - corrupt, exploitative, divisive.
7) The social system - divisive, hostile, scapegoating.
8) The media system - corrupt, greedy, dishonest.
9) The electoral system - undemocratic, corrupt, oligarchic, immutable.
10) The police, military, international affairs system - hostile, scapegoating, greedy, corrupt.

Can "it" happen here?
"It" already happened here.