WATCH: 3 years ago, Trump stepped off a golden escalator and made his announcement. The rest is history

On June 16, 2015, businessman Donald Trump stepped off a golden escalator and officially announced his candidacy for the presidency.

Trump had flirted with running for political office in the past, and almost everyone watching — with the possible exception of the man giving the speech, notes CNN’s Brian Stelter — considered this to be some type of publicity stunt.

We were all wrong.

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