A fishing boat in which Senegalese men from different ethnic backgrounds will have to huddle for two weeks during an ocean crossing. Filmmaker Moussa Touré ‘s “La Pirogue,” currently shown in the Un Certain Regard section, wants to incite a dialogue between people confined in a small living space. But the stakes are very high, and the fiction film is very much based on reality. Thirty men (a mixture of Peuls, Guineans, and Muslims