Iran propaganda push seeks to project unity despite internal divisions

By Parisa Hafezi and Angus McDowallDUBAI, May 21 (Reuters) - Iran's leaders are splashing propaganda posters across Tehran boasting of national unity and victory over a global superpower, just months after crushing protests with mass killings and as war worsens economic pain for their people.Alongside the images of Revolutionary Guardsmen and a blockaded Strait of Hormuz, authorities are staging military-themed mass weddings and public gun training sessions in mosques to vaunt a spirit of national resistance.