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    Biden travels to Poland to survey humanitarian crisis

    02:14
  • Russia surrounding Chernihiv

    02:14
  • Exclusive look inside besieged Mariupol

    01:44
  • Ukrainian refugees crossing at the Polish border

    02:39
  • Ukraine’s refugees stuck in limbo

    02:09
  • Texts show wife of Justice Thomas, Ginni, urged Mark Meadows to overturn election results

    01:58
  • 14-year-old dies after fall from Orlando amusement park ride

    01:28
  • Lester Holt reflects on support for Ukraine and its resolve against Russia

    01:22
  • St. Peter’s March Madness Cinderella story

    01:26
  • How states are responding to high gas prices

    01:23
  • The realities of war for Ukraine’s orphans

    02:16
  • NATO Secretary General Stoltenberg on support for Ukraine

    02:18
  • U.S. citizen missing in Ukraine

    01:28
  • Escaped Mariupol residents urge for Russian war crimes to be held accountable

    01:54
  • Biden says U.S. will respond if Russia uses chemical weapons

    02:55
  • Communities come together after devastating storms

    01:22
  • Rise in bird flu cases across the U.S.

    01:34
  • What to expect as Biden meets with NATO leaders

    00:50
  • Tornado destroys homes in New Orleans suburb

    01:42
  • Jackson faces heated questions, tense exchanges on Day 3 of Supreme Court hearings

    01:43

Pfizer CEO Albert Bourla on Covid vaccine: extended interview

25:16

In an exclusive interview with Lester Holt, Pfizer Chairman and CEO Albert Bourla discusses the company’s Covid-19 vaccine — including the potential for a booster shot, vaccine trials for children and more.