House investigators have scheduled an interview with the Trump campaign digital director to question him about any campaign coordination with Russian-financed Internet advertising.

Amid all the intense attention to obstruction of justice issues, this is a timely reminder of the central question of Trump campaign collusion with Russian interference in the election. To read the full article, click here.

This article was first published in Just Security on 06.21.2017 "When Collusion with Russia Becomes a Crime: Part III—”Aiding and Abetting.”