Tonight the president's historic announcement

president bide no longer running for a second term

now the fallout and what happens next

president bide's decision a political earthquake the race for the white house

now thrown into disarray.

The President endorsing Vice President Kamala Harris, saying, while he wanted to run again, he's

doing what's best for the party and the country. The new focus on the vice president

does she have the parties and voters support. Harris saying her intention is to

earn and win the nomination but will other Democrats challenge her the timeline

fast approaching what it means for the Democratic convention getting on the

ballot in all 50 states and what happens to all that money raised for Biden.

Former President Trump weighing in what he told our correspondent about the new state of the

race but are they ready to take on whoever Democrats choose all of this one week after an assassination

attempt on the campaign trail.

The President's legacy half a century in public life, Biden's impact on the country his achievements

while in office amid his struggles and finally history playing out in real time

a political shakeup the nation hasn't experienced in nearly 60 years.

This is NBC Nightly News with Lester Holt.

Good evening and welcome. Tonight we are witnessing a Lester Holt.

Good evening and welcome.

Tonight we are witnessing a major upheaval

in American politics and the race for president.

...