Ms. Gabbard does not quickly turn on her allies, and she showed little desire to throw Mr. Kent under the bus or attack him. But she has remained in her position by being a careful student of Mr. Trump, and knows how to stay on his good side. And critiquing the president’s view of the threat from Iran was clearly not the way to keep your job.

So she came up with her line that it is Mr. Trump, not the intelligence community, that determines what constitutes a threat.