PORT-AU-PRINCE, Haiti—While they await a new leader, Haitians are beginning a series of official ceremonies Tuesday to honor President Jovenel Moïse nearly two weeks after he was assassinated at home. The body of Moïse was to lie in state starting before dawn at the National Pantheon Museum in the capital of Port-au-Prince, officials said. He was shot multiple times during a July 7 attack in which his wife was seriously wounded. The ceremonies come as designated Prime Minister Ariel Henry prepared to replace interim Prime Minister Claude Joseph, who assumed leadership of Haiti after the killing with the backing of police and the military. It was not immediately clear when Henry would be sworn in, but he promised in an audio recording that he would soon announce who would form a provisional consensus government to lead Haiti until elections are held. “We will need this unity to overcome the many …