Demonstrators hold banners reading ‘Macky Sall dictator: get out!’ and ‘Free Senegal, we do not touch the Constitution’ in a protest against human rights violations in Senegal at the Brandenburg Gate in Berlin. Stefanie Loos/AFP A second person died in Senegalese protests.The victim was shot, his relatives said.President Macky Sall postponed elections scheduled for February.Senegal’s…