By THE STAR STAFF Federico Torres Montalvo, one of Puerto Rico’s most influential and longstanding labor leaders, died this week, according to an announcement shared by several unions on social media. Torres Montalvo was the founder of the Unión Independiente de Empleados de la Autoridad de Edificios Públicos (Independent Union of Public Buildings Employees) and served as president and a member of the executive committee of the Central Puertorriqueña de Trabajadores (Puerto Rican Workers’…
