Inter Press Service: There are shortages of lots of things in Haiti: clean water, arable land, trees, living-wage jobs, housing, schools, fuel, reliable sources of electricity and Internet access. But one thing Haiti has in abundance is sunny days. The sun beats down relentlessly on Port-au-Prince: on the tin and plastic roofs of the shacks in the neighbourhood of Cité Soleil (not without reason named “Sun City”) and on the red tiles of the mansions in the hills in the suburb of Pétionville. Even …