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    Close call for two planes at Reagan National Airport

    01:29
  • Worsening allergies tied to climate change and severe weather

    02:02
  • Maryland teenager arrested, charged with threatening mass violence

    01:32
  • Dozens arrested in pro-Palestinian protests at Columbia University

    02:08
  • 12-member jury selected in Trump's hush money trial

    03:26
  • 911 outages impact millions

    01:59
  • 15 Kennedy family members endorse Biden for president

    01:32
  • NBA player banned for life for gambling

    01:33
  • With 100 days go to, Paris gears up for Summer Olympics

    01:29
  • L.A. police chief says officer shortage makes it harder to respond to some calls

    03:29
  • Massive settlement reported near between Justice Department and Nassar abuse victims

    01:29
  • Senate dismisses impeachment charges against Mayorkas

    02:08
  • Biden calls for much higher tariffs on Chinese steel and aluminum imports

    01:40
  • Boeing whistleblowers appear at congressional hearing

    01:39
  • Columbia University president testifies about antisemitism on campus

    01:43
  • More than 20 tornadoes reported as tens of millions face severe weather threat

    00:57
  • Shoe cobbler becomes unlikely TikTok star

    01:48
  • First jurors selected to serve in Trump hush money trial

    03:07
  • Israel's military vows response to Iranian attack

    01:31
  • DOJ reportedly set to sue Live Nation in antitrust challenge

    00:52

WHO team in Wuhan to begin investigating Covid origins

01:20

With a World Health Organization team now in Wuhan to investigate the origins of Covid-19, the country’s chief epidemiologist tells NBC News’ Janis Mackey Frayer that the scientists should look elsewhere.