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Good morning.

Here’s what you need to know:

Eroding trust by design

• As a candidate, Donald Trump claimed the U.S. government had known in advance about the Sept. 11 attacks and pushed the idea that President Barack Obama was born in Kenya.

As president, Mr. Trump is promoting unconfirmed accusations that a “criminal deep state” planted a spy in his presidential campaign, a scheme he has called “Spygate.”

Students of his life and communication style argue that conspiracies are a vital part of his strategy to push a political narrative and punch back at detractors, real or perceived. Mr. Trump is not the first public figure to say he is the subject of a shadowy plot, but his critics fear that he is eroding public trust in institutions. Read more from our White House correspondents.

• The president isn’t the only one spreading misinformation. A lot has been said about how the government lost track of nearly 1,500 immigrant children. Here’s what happened.