Welcome to Meet the Press Now. I'm Aaron Gilchrist in Washington. The President trying to downplay a national security blunder after administration officials used the commercial messaging app signal to discuss highly sensitive military planning.

Now, this came to light because the president's national security advisor, Mike Walts, or someone in his office,

inadvertently included the editor-in-chief of the Atlantic in that text thread.

The incident has raised serious questions about the administration's handling of sensitive information,

with the Senate's Republican leader now signaling they will investigate this incident.

President Trump is standing by Waltz telling NBC News that he's learned a lesson and he's a good

man, while also lashing out at the Atlantic. And moments ago, the president telling reporters

during a meeting of his ambassadors that he will be looking into what happened here.

He also said that none of what was discussed in that thread was classified.

There was no classified information, as I understand it.

It wasn't classified information.

So this was not classified.

Now, if it's classified information, it's probably a little bit different.

But I always say you have to learn from every experience.

My whole conduct an investigation is what you're saying into this.

We'll look into it, you know.

I would look into it.

Now, the president also gave his national security advisor the floor during that meeting with the ambassadors.

But Waltz did not address the substance of the

security lapse here. Instead, he attacked journalists. Now, we should note, according to the Atlantic,

highly sensitive information was part of these chats, including, quote, operational details of

forthcoming strikes on Yemen, including information about targets, weapons the U.S. would be deploying,

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