• Email exchanges reviewed by The New York Times provide a vivid account of how an eager Donald Trump Jr., above, came to meet with a Kremlin-connected lawyer who promised information on Hillary Clinton.

On Tuesday morning, after being told that The Times was about to publish the emails, he posted images of the email chain on Twitter. The text of the emails, which show just how eager he was to accept what he was explicitly told was the Russian government’s help, is also presented here.

The whole chain of events can be traced back to the 2013 Miss Universe competition in Moscow. Let us explain.