Colombian novelist, essayist, journalist, and editor Héctor Abad will present his most recent novel, The Farm, and in appear in conversation with writer and professor Juan Martinez at the Instituto Cervantes of Chicago. A Q&A and book signing will follow the discussion.   Héctor Abad is one of Colombia’s leading writers. Born in 1958, he grew up in Medellín, where he studied medicine, philosophy and journalism. In 1987, his father was murdered by Colombian paramilitaries, an event he reflected on 20 years…