Waltz’s fate was sealed by his inclusion of a journalist on a sensitive Signal group chat in March. But he had been clashing with other top officials since early in the administration, including over whether to pursue military action against Iran, senior officials and Trump advisers said Friday.

This comes after the former National Security chief added the Editor-in-Chief of the Atlantic to a group chat that contained military strike plans on Yemen.

Surprise! Rather than firing national security adviser Michael Waltz after Signalgate, President Trump is sending him through the gauntlet of a Senate confirmation process. Why it matters: Waltz is the first big-name ouster in Trump 2.