This week, top Trump officials inadvertently shared secret U.S. military plans with a prominent journalist after mistakenly adding him to a group chat.The journalist, Jeffrey Goldberg, who is editor in chief at The Atlantic, discusses what he was thinking as he read the messages and what he makes of the fallout.Guest: Jeffrey Goldberg, editor in chief at The Atlantic.Background reading: 

• Read Mr. Goldberg’s piece in The Atlantic about being added to the group chat.
• Read more about Mr. Goldberg, the editor mistakenly added to the Signal chat.
• Here’s the leaked chat, annotated.
• President Trump has downplayed the leak and pointed the finger at Mr. Goldberg.

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