Republican political operative Roger Stone, generally a fierce defender of President Trump, said high-level administration officials were wrong to use a private app to communicate sensitive military plans, during an interview with NewsNation's Chris Cuomo on Monday.

"Secure conversations shouldn’t be had over any app that is available," Stone said. "I don't think there are any secure at all."

The Atlantic reported Monday that editor-in-chief Jeffrey Goldberg was inadvertently included on a group chat, using the encrypted messaging app Signal, in which top officials discussed plans for the then-imminent March 15 surprise military air strikes against Houthi militants in Yemen.

The group included Vice President Vance, Defense Secretary Pete Hegseth,........

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