Tonight, the explosive Capitol Hill hearing, Robert F. Kennedy Jr., grilled on vaccines and so much more.

Fiery moments as Republicans and Democrats press the HHS Secretary about public health in America.

Kennedy defiant blaming the CDC for pandemic deaths and rejecting criticisms that he's making it harder to get vaccines.

The growing tropical threats were tracking major storms in the Atlantic and Pacific on the move

tonight. New video of the deadly disaster, a tram derailing and smashing through the streets

of Lisbon, killing 16. We now know an American is among the dead.

You'll hear from witnesses describing the horrifying moments the tram came crashing off its tracks.

Tonight, the NBC exclusive Jenna Bush Hager sitting down with the devastated parents whose children

never returned from Camp Mystic, now demanding action, and the haunting

last letters from their daughters. Aerial rescue a worker high up on a light pole at a baseball

stadium hitting his head, unable to come down, the race to save him from the sky. The plan promised

to Americans, if the airlines delayed your flight and it was

their fault, they should pay. So why did the Trump administration just scrap the proposal?

Tom Costello standing by. Remembering fashion giant, Giorgio Armani, the mark he left on fashion

from Hollywood to Wall Street to the red carpet. And with the NFL season set to kick off, a young Eagles fan who's overcome so much

getting the surprise of a lifetime from the Super Bowl champs themselves.

Nightly News starts right now.

This is NBC Nightly News with Tom Yamas.

And good evening. It was one of the most explosive days on Capitol Hill since President Trump's second term began.

His health secretary, Robert F. Kennedy Jr., facing tough questions by senators on both sides of the aisle over vaccines, public health, and basic

trust in medical care. One senator accusing him of, quote, reckless disregard for science and

the truth. But Secretary Kennedy didn't back down, saying the CDC made mistakes during the

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