Unions threaten work stoppages amid calls for racial justice

FILE - In this Aug. 28, 2020, file photo, a woman holds a "Black Lives Matter," flag during the March on Washington at the Lincoln Memorial in Washington, on the 57th anniversary of the Rev. Martin Luther King Jr.'s "I Have A Dream" speech. Ahead of Labor Day, major U.S. labor unions say they are considering work stoppages in support of the Black Lives Matter movement. (AP Photo/Alex Brandon, File)

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