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The singer Sting called world leaders "half-men and cowards" for not helping refugees. He praised Greece for helping refugees, saying: "When other people are building walls. When children are being taken from their mothers and put in cages, you are acting with...generosity and common sense."
Greece helped nearly a million refugees in 2015, even though it had a financial crisis. Other countries refused to help. Many built fences. Sting attacked the recent separation of more than 2,000 children from their parents in the U.S. illegally. He called this "brutal". Many European countries still won't help refugees.
Back to the refugee crisis lesson.