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    New fallout after Biden threatens to withhold some weapons from Israel

    01:27
  • Police body cam video released in fatal police shooting of Florida man

    01:55
  • At least 10 killed in wave of severe weather

    01:52
  • Tiny forest sprouts in concrete jungle

    01:30
  • Stormy Daniels faces blistering cross examination by Trump lawyer

    03:59
  • Women sue companies that make hair relaxers, claiming cancer risks

    02:43
  • Top border officials under investigation over ties to tequila maker

    01:59
  • Georgia appeals court says Trump can appeal decision that kept Willis on election interference case

    00:50
  • Drama in Congress as GOP Rep. Marjorie Taylor Greene calls for vote to remove House Speaker

    01:05
  • Trail of destruction after tornadoes sweep through multiple states

    02:30
  • Study finds that whale sounds are actually a language

    01:32
  • Biden halts arms shipment to Israel over military offensive in Rafah

    01:41
  • Biden promotes economy in battleground Wisconsin

    01:45
  • New campus crackdowns on pro-Palestinian protesters

    02:26
  • Education Department calls on Texas school district to address claims of civil rights violations

    02:45
  • Tornadoes rip through parts of the Plains

    01:46
  • Israel rejects latest Hamas offer but says it will negotiate to try to reach a cease-fire

    01:59
  • Growing fight over fluoride in drinking water

    02:46
  • TikTok sues U.S. government over law requiring the platform to be sold

    01:39
  • Rabbit Hole museum brings classic children's books to life

    01:31

Tireless effort to identify September 11 victims is ongoing 20 years later

02:57

Two decades after the September 11 attacks, 40 percent of ground zero victims are still unaccounted for. Mark Desire, who rushed to the World Trade Center that day, explains the challenges his team of medical examiners face: “Everything that destroys DNA was present at ground zero.” He tells NBC News’ Stephanie Gosk about their unwavering commitment to identifying victims. The team hopes new technological advances will help bring closure to more families.