Extras

    Video thumbnail: PBS NewsHour U.S. withdrawal of nuclear treaty sparks arms race concerns

    PBS NewsHour

    U.S. withdrawal of nuclear treaty sparks arms race concerns

    U.S. withdrawal of nuclear treaty sparks arms race concerns

    U.S. withdrawal of nuclear treaty sparks arms race concerns

    Video thumbnail: PBS NewsHour A year after outbreak, Ebola has killed hundreds in the DRC

    PBS NewsHour

    A year after outbreak, Ebola has killed hundreds in the DRC

    A year after outbreak, Ebola has killed hundreds in the DRC

    A year after outbreak, Ebola has killed hundreds in the DRC

    Video thumbnail: PBS NewsHour Multiple fatalities in El Paso shooting, suspect in custody

    PBS NewsHour

    Multiple fatalities in El Paso shooting, suspect in custody

    Multiple fatalities in El Paso shooting, suspect in custody

    Multiple fatalities in El Paso shooting, suspect in custody