Tonight the major shakeup in the race for the White House Robert F. Kennedy Jr.

suspending his independent campaign and endorsing Donald Trump.

R.F.K. Jr. coming before the camera is telling supporters he no longer believes he has a path to victory.

Why he says he's throwing his support behind Mr. Trump and would he have a role in a potential

new Trump administration?

Then members of the Kennedy family today speaking out against him.

That announcement coming on the heels of that historic night at the DNC, Kamala Harris, the first

woman of color to accept a major party's nomination

the vice president promising a new way forward and attacking her rival Donald Trump

as an unserious man and now the race moving into a whole new phase.

Also tonight the Fed finally signaling it will cut rates down from a 23 year high.

What it means for your money?

The new fallout for multiple secret service agents

after the assassination attempt on Donald Trump.

The deadly house explosion rocking a neighborhood

near Kansas City, the investigation tonight, and the Team USA Paralympian who's chasing much more

than gold at the Paris Games.

This is NBC Nightly News with Lester Holt.

Good evening and welcome on this the first day of the rest of the presidential campaign.

The last of the celebratory balloons have by now popped at the United Center in Chicago

where an energized Kamala Harris closed out the Democratic National Convention

with a speech that revved up the party faithful and drew a sharp distinction between

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