US president defends key security official after journalist says he was added to group chat about air strikes.

In a phone call with NBC News, President Donald Trump said National Security Adviser Mike Waltz “has learned a lesson” in reaction to a journalist from The Atlantic being accidentally added to a ...

President Donald Trump appeared to place the blame for the Signal chat scandal on national security ... told reporters before calling the media’s reaction to the scandal a "witch hunt." ...

The Trump administration’s Signal chat leak represents the "profound ... this leak is different due to the Trump administration’s reaction of "there was nothing to see here." ...

As senior officials deny wrongdoing, rank-and-file national-security personnel worry about the dangers if no one is held ...

When adding somebody to the group chat about classified information that itself violates government rules, double-check that Jeffrey Goldberg isn't on the thread.

If this sounded familiar, it was Trump’s same reaction a week ago when the administration ... Both insisted the Signal chat group did not include classified information. But U.S. Sen.

This is just a serious blunder,’ Leon Panetta stated, adding that it ‘could violate espionage laws’ and ‘undermine our national security’ ...