Vancouver is very close to Seattle. Would restrictions in H-1B result in increased hiring in Canada or a higher usage of L-1 visa perhaps?
Canada has given the US so many great people: Brian Kernighan, Alfred Aho, Rob Pike, Ken Iverson, James Gosling, Rasmus Lerdorf, Matei Zaharia, Geoffrey Hinton, Ilya Sutskever, Andrej Karpathy, John Chambers, Robert Gentleman...