Bogotá, Jan 11 (EFE).- The Colombian Prosecutor’s Office formally charged Nicolás Petro, the first-born son of President Gustavo Petro, with illicit enrichment and money laundering, and called him to trial. Petro’s son had his first formal hearing on Thursday after being arrested in July, along with his ex-wife Daysuris Álvarez, for allegedly receiving money from …