Trump Is Ousting Michael Waltz, His National Security Adviser

President Trump initially defended Mr. Waltz for mistakenly adding a journalist to a group chat about military strikes.

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‘Should I Fire Him?’ Inside Trump’s Deliberations Over the Fate of Michael Waltz

In public, President Trump has defended his national security adviser. But behind the scenes, he has been casting around for advice.

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Judge Moves to Prevent Hegseth, Waltz and Others From Deleting Houthi Texts

Judge James E. Boasberg said top officials, including the defense secretary, the national security adviser and the secretary of state, must preserve the messages they exchanged.

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Trump Administration Deflects Blame for Leak at Every Turn

President Trump and other officials have given shifting, varied, implausible and sometimes conflicting explanations for how highly sensitive military information was shared in a group chat.

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Marco Rubio Says Someone in Signal Chat Made ‘Big Mistake’ in Adding Journalist

Secretary of State Marco Rubio said no “war plans” had been divulged in the group chat in which he took part. Chat texts published by The Atlantic show detailed information on the planned strikes in Yemen.

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How the White House Uses Semantics to Downplay the Signal Leak

War plan or battle plan? Classified or not? The answers to those questions amount to a distinction without much of a difference.

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Senate Democrats Press Trump for Answers on Security Breach

Top lawmakers say the White House must provide a full accounting of actions surrounding sensitive military information shared on a text chain that included a journalist.

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After the Signal Leak, How Well Do You Know Your Own Group Chats?

A journalist’s inclusion in a national security discussion served as a reminder that you might not know every number in the chat — and that could be a big problem.

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Signal Leak Puts Mike Waltz, Trump’s National Security Adviser, in Hot Seat

The national security adviser, already embattled, is taking the brunt of the criticism. On Fox News, he said he took “full responsibility” for a journalist being included in a chat with sensitive information.

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Signal Leak Is Latest Mistake in Pete Hegseth’s Rocky Time as Defense Secretary

The disclosure of battle plans on a chat app created a new predicament for the defense secretary.

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