Dueling protests by right-wing and anti-fascist groups in Portland, Oregon over the weekend are raising questions about the definition of domestic terrorism. We’ll break down what happened, and where the law currently stands. Then: Italy is refusing to take in over 100 migrants stuck on a rescue ship. We’ll look at the situation on the boat and in Italian politics. Also on today’s show: the UN is celebrating World Humanitarian Day and scientists have found evidence of a black hole swallowing a neutron star...900 million years ago.

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