A labor dispute between two of Canada's largest railroad operators and union has mushroomed into a full lockout of union workers. Also, in Germany’s self-styled beer town of Munich, more people are switching to non-alcoholic beverages. And, a new art exhibit in Denver showcases the work of a Japanese American prisoner incarcerated at a camp in southeastern Colorado during World War II called “Amache.” Plus, scientists report they were able to "hear" low-frequency gravitational waves caused by the motion of massive black holes across the universe.

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