Hungary's Prime Minister, Viktor Orban, says multiculturalism doesn't work and his country should spare itself that unpleasantness. See the Reuters article on the Yahoo News Canada website.
Smart man, multiculturalism hasn't worked well anywhere it's been tried. It flies in the face of human nature. Our species normally finds other cultures uncomfortable to live alongside, although often fun to visit briefly.
The secret to successful immigration policy is acculturation, converting immigrants to the culture of their new home. The bottom line: the melting pot works, the salad bowl doesn't.
It is no accident this article ran on a Canadian website. English-speaking Canada has struggled with French-speaking Quebec's culture for more than two centuries.