Trump's pre-election trip to Greece that never happened

Nothing in George Papadopoulos's posts on social media indicated what he had been up to in the past few months. There was no hint of his arrest in mid-July at Dulles Airport in Washington DC or how he collaborated with the FBI in its investigation into the Trump campaign's pre-election contacts with Russia. He commented on current events - "Interesting meeting between [US President Donald] Trump and [Greek Prime Minister Alexis] Tsipras today," "Looking for a good publisher. Any ideas?" - and uploaded photos of his "hometown," Thessaloniki (the Greek-American former Trump aide was born and raised in Chicago but often visits the northern Greek port, where his family still has a house).

Nevertheless, the countdown to his fall from grace had already started several months earlier. Indeed, seven days before Trump was sworn in as US president, Papadopoulos had come forward to...