By Jose Luis Sierra New America Media Ciudad Juarez, Chihuahua, Mexico &ndash; This week, four men were convicted for their role in the &ldquo;Villa Salvarcar Massacre,&rdquo; the now infamous case in which young people &ndash; mostly teenagers &ndash; gathered at a birthday party on the outskirts of Juarez on January 30, 2010, were gunned down [...]