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    Record Memorial Day travel signals busy summer season

    03:10
  • 'Home Alone' house hits the market with $5.25 million price tag

    00:32
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    02:06
  • NBA Hall of Famer and broadcaster Bill Walton dies at 71

    02:42
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    03:10
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    02:27
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    01:49
  • Netanyahu acknowledges Rafah strike as ‘tragic incident’

    01:52
  • Trump criminal trial enters final phase with closing arguments

    05:10
  • 11-year-old raises $100k for Pearl Harbor education programs

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  • Cruise leaves Baltimore port for 1st time since Key Bridge collapse

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  • Papua New Guinea official says more than 2,000 killed by landslide

    00:22
  • Lifeguard shortage sparks concern across US as summer kicks off

    02:20
  • ‘General Hospital’ actor Johnny Wactor fatally shot in LA

    02:12
  • US congressional delegation to meet with Taiwan’s new president

    02:27
  • Deadly Israeli airstrike hits camp of displaced civilians in Rafah

    02:19
  • Trump booed at Libertarian event: 'Maybe you don't want to win'

    02:52
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    01:17
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    02:03

How concessions have smoothed presidential transitions in the past

04:18

Traditionally, concession speeches have capped off presidential elections in the past, but now President Trump is refusing to concede that he lost the election, claiming without evidence that there was fraud. NBC’s Kristen Welker reports for In Depth TODAY on the important role concessions have played in the past.