When it comes to military-style computer video games, realism sells. In first-person shooter games like the top-selling "Call of Duty" and "Modern Warfare," players are virtual participants in realistic battlefield scenarios inspired by and often based on actual combat situations. But while the onscreen firefights, death, and destruction are not real, the decisions players make in order to "win" the game are another matter.

A few nights ago, a video from advocacy group Invisible Children hit the web. Called Kony 2012, it is an attempt to tell the world the story of war criminal Joseph Kony, so that the viewer might feel the burn of injustice and work to put his reign of terror to an end.

To some, his capture testifies to the effectiveness of European leverage and underlines the E.U.'s soft power: by holding out the carrot of accession, the E.U. induces meaningful change in would-be members.