Tonight President Biden blasting Democrats trying to push him out, but is the drumbeat to step aside getting louder?

The President defiant today in battleground Wisconsin, declaring I'm staying in the race, I'll beat Donald Trump.

But the new report that an influential Democratic senator is trying to get colleagues to ask him to leave the race,

plus major donors now demanding the president drop out.

Also breaking tonight the threat from Hurricane Barrel, slamming Mexico, and taking aim at the

Texas coast.

We're tracking it live and more than 140 million Americans are

sweltering under heat alerts as a dangerous new wildfire, scorches California.

The record travel rush, millions hitting the road and the airport this weekend.

When is the best time to go?

Holiday tragedy, three killed, more injured when a suspected drunk driver plows through a crowded New York City park and the alarming

new details we've just learned about that suspect.

The stunning power shift in Great Britain, the new Prime Minister meeting with the King after winning in a landslide.

Plus, more on those shark attacks in Texas and Florida, you'll hear from a survivor from

her hospital bed describing how she fought it off and how to stay safe in the

water this summer.

And the new warning about sunscreen misinformation, doctors describing the danger now being spread by social media influencers.

This is NBC Nightly News with Lester Holt.

And good evening, I'm Tom Yas in for Lester. We start with major developments in

the race for the White House. President Biden is facing a growing campaign

crisis, but tonight showing no sign he is preparing to end his re-election run.

Today in Wisconsin, the president saying, despite some Democrats trying to push him out,

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