"There was a time, from the late 1940s through the 1960s, when the now-upscale Lincoln Park neighborhood served as the beating heart of Chicago’s huge Puerto Rican community, and the base of operations for a band of Puerto Rican revolutionaries known as the Young Lords. Led by a young man named José 'Cha Cha' Jiménez, the activist group – which evolved from a social club to a street gang to... see more