Donald Trump Jr. sends an email. Hours later, his father gives a speech. Conspiracy or coincidence? We unpack the timeline of events in June 2016. Plus: A group of international scientists plans to send messages into space to see if we’re alone. But what if we’re not? Guests: Peter Baker, our chief White House correspondent; Douglas Vakoch, the leader of a new group that will beam messages into space; Steven Johnson, who wrote about Mr. Vakoch’s efforts for The New York Times Magazine. For more information on today’s episode, visit http://nyti.ms/2uFcX9q.

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