Tonight the global reboot after a massive computer meltdown, tech across the planet slowly coming

back online after an outage halted everything from banks to 911 call centers, travelers facing four hour long lines at airports, what the CEO

of the software company behind the outage tells us about how it all happened and when things

will get back to normal.

Plus President Biden says he's ready to hit the campaign trail next week

as he recovers from COVID, but facing a new wave of Democratic calls to exit the race and our new reporting.

What is his family saying tonight?

Former President Trump accepting the Republican nomination for a third time after surviving

an assassination attempt saying saying I stand before you

only by the grace of Almighty God but along with calls for unity repeating insults

and conspiracies the worldwide outcry after journalist Evan Gerskovic

is sentenced to prison in Russia on false espionage charges.

Secretary of State Blinken on efforts to free him,

plus Brittany Griner's message to Evan.

The King's Thing, some of Elvis's prize possessions, up for auction.

But are they authentic?

The questions being raised in our exclusive investigation.

This is NBC Nightly News with Lester Holt.

Good evening and welcome. Tonight the recovery is still underway

after one of the worst fears of the digital age

became a reality, a global computer shutdown.

The near unthinkable ricocheting across every corner of the planet today turning the vital workings of everything from airline operations and 911 centers to hospital operating rooms into blue blank screens

...