RENO, Nev. (KOLO) – Two people have been arrested on drug charges for allegedly selling and distrbuting fentanyl in Washoe County. On Tuesday, police arrested 27-year-old Luisa-Mariela Cardona-Valle, and 22-year-old Luis Fernando Chavez-Navarro of San Francisco on drug charges. The pair were arrested by detectives with the Regional Narcotics Unit…