Trump on Signalgate: 'I think we learned: Maybe don't use Signal'

"I think we learned: Maybe don't use Signal, okay?" President Donald Trump told The Atlantic in an interview published Monday.

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• Donald Trump says Signalgate has taught his administration a lesson.
• "I would frankly tell these people not to use Signal," Trump said.
• A journalist was accidentally added to a Signal group chat with Trump's security officials.

President Donald Trump said there is one lesson his administration has learnt from Signalgate.