Sen. Lindsey Graham (R-S.C.) on Wednesday said "very sensitive information" was discussed during a Trump administration group chat on Signal that included a journalist, but the longtime ally of President Trump said he sees the snafu as a "lessons learned" episode.

"Recent revelations about the content of the texts — while not discussing war plans per se — do in fact detail very sensitive information about a planned and ongoing military operation," Graham said in a statement. “Lessons learned."

Jeffrey Goldberg, editor in chief of The Atlantic and former foreign affairs correspondent,

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