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    Fiery plane crash kills 18 in Nepal

    01:13
  • Netanyahu addresses joint meeting of Congress

    01:53
  • Trump holds rally as FBI director reveals new details of assassination attempt

    02:47
  • Harris' time as a prosecutor will shape her candidacy for president

    02:03
  • Four days after computer meltdown, Delta still plagued by cancellations

    01:38
  • Netanyahu begins high-stakes Washington visit

    01:35
  • Gen Z voters in Michigan weigh in on the presidential race

    02:07
  • Narrow window for Harris to choose her running mate

    01:02
  • Echoes of the past in Paris Olympics

    02:01
  • Harris hits campaign trail as Biden returns to White House

    02:39
  • Under withering criticism, Secret Service director resigns

    02:12
  • Pharmacy benefit managers under fire in House hearing

    01:55
  • Illinois sheriff's deputy charged with murder in death of woman in her home

    01:34
  • Harris faces tight deadline for shaping her campaign and ticket

    00:36
  • Harris marching towards Democratic presidential nomination

    03:26
  • Delta still feels effects of massive computer crash, cancels many flights

    00:38
  • Secret Service director faces harsh questioning about Trump assassination attempt

    02:29
  • Pennsylvania voters react to Biden's withdrawal and Harris's run

    01:38
  • Harris faces challenges on issues that helped her political rise

    02:29
  • Paris decks itself out for summer Olympics

    01:24

Top-secret military leaks raise national security concerns

01:51

The Department of Justice and the Pentagon are investigating the leaks of classified U.S. intelligence documents about Ukraine’s war effort and military strength posted on social media. The documents, which intelligence analysts believe were also doctored, contain national security secrets about the Middle East and China. NBC News’ Allie Raffa reports.