Miranda Devine: Mike Waltzs Signal-gate blunder is a hard lesson to be learned for Trumps winning team

There’s no getting around the fact that Signal-gate was a blunder.In soccer terms, it was an own goal, a totally unnecessary screw-up that set back the Trump team.But the team is still winning and the opposition is still in total disarray and fighting among themselves.Let’s hope lessons have been learned.It’s hard to believe that, of all the people on planet Earth, it was Jeffrey Goldberg, America’s most rabidly anti-Trump journalist, who could have been “inadvertently” patched into a sensitive Signal group chat of the national security Cabinet discussing sensitive plans for military strikes against the Houthis in Yemen.But that’s what President Trump’s National Security Adviser Mike Waltz is telling us.He claimed Tuesday he has “never met, don’t know, never communicated with” the Atlantic editor-in-chief.Of course, swampy Washington quickly unearthed a photo of Waltz standing right in front of Goldberg in the French Embassy in 2021 at an event for French philosopher Bernard-Henri Lévy that was billed as a “conversation” between Goldberg and Lévy.Waltz probably meets a lot of swamp-dwellers, since wife Julia Nesheiwat is a distinguished fellow at the Atlantic Council, and he has told Trump it was “one of his people” who added Goldberg to the Signal chat group.One of the screenshots Goldberg published in The Atlantic shows it was Waltz’s Signal account — tagged as “Admin” that sent him a Signal invite on March 11, and then added him to the “Houthi PC small group” on March 13.Waltz has told reporters he accepts “full responsibility” for the error and admitted he “built the [Signal] group.”Fox News’ Laura Ingraham asked the perfect question of Waltz Tuesday: “How did a Trump-hating editor of the Atlantic end up on your Signal chat?”“I’m not a conspiracy theorist,” said Waltz, before suggesting that Goldberg’s number may have somehow appeared in his or a staffer’s contacts list attached to someone else�...