In December, Saad Hariri, Lebanon’s prime minister and Rafik’s son, met with
Syria’s president, Bashar al-Assad, acceding to the reconciliation between his own political sponsor, Saudi Arabia, and Damascus — making Lebanon less likely to point the finger at
Syria for the killing. But the more significant problem actually lies within the United Nations investigation itself. While it has been upgraded to a special tribunal, sitting near The Hague, it has suffered from questionable leadership, lost key members and last year had to release suspects for lack of formal indictments....