CHICAGO — The wife of a Chicago drug trafficker who cooperated against Sinaloa cartel boss Joaquin “El Chapo” Guzman was sentenced to 3 1/2 years in prison Monday for conspiring to hide and spend millions of dollars of her husband’s drug proceeds. Valerie Gaytan, 48, who is married to Margarito Flores Jr., pleaded guilty earlier this year to one count of conspiracy to commit money laundering, ...