 Complete the following phrase:  It has several prominent past and ongoing documentary series including: Russian military intervention in Ukraine; civil war in Iraq; the IsraeliPalestinian conflict; the Western Sahara conflict; the struggles of Afghan interpreters working for the US military in acquiring visas; the prison crisis in the US at Salinas Valley State Prison; protests against the FIFA World Cup in Brazil; Venezuelan anti-government protests; expansion of the Islamic State; 