Very senior members of the Trump administration have this week been caught mistakenly sharing secret plans to bomb the Houthi rebel group in Yemen with a journalist.

It happened when the editor-in-chief of The Atlantic was added to a group chat on the popular messaging app Signal, in what appears to be a spectacular breach of US national security.

Today, David Smith, from the United States Studies Centre on the great ‘Signalgate’ scandal. 

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David Smith, associate professor of American Politics and Foreign Policy at the United States Studies Centre at the University of Sydney