In The World This Week: Armenia marks 100 years since the mass murder and deportation of Armenians from the Ottoman Empire; the would-be Paris terrorist who literally shot himself in the leg in a botched attempt to attack two churches; in Yemen a Saudi-led coalition rebrands Operation Decisive Action as Operation Renewal of Hope, and European leaders meet in Brussels to discuss the thousands of migrants attempting - often in vain - to cross the Mediterranean in search of a better life.