According to the Spanish daily ABC, a Libyan rebel commander who played a key role in overthrowing the rule of Muammar Qaddafi previously participated in the May 2010 attempt to break the Israeli blockade of Gaza aboard the Turkish-owned vessel the Mavi Marmara. The operation famously culminated in a deadly clash between Israel Defense Force commandos and “activists” armed with iron rods and knives aboard the ship. The paper’s source for the story is the rebel leader himself: Mahdi al-Harati, the commander of the so-called Tripoli Brigades, which are widely credited with having played a decisive role in the rebel...