CHEYENNE, Wyo. — A Cheyenne man received a prison sentence of 17–20 years on Monday after pleading guilty to manslaughter in connection to a fatal shooting in March.Antonio Navarrete, 23, admitted to killing 25-year-old Cortaevius Williams during an early-morning confrontation at Navarrete’s home on King Court. Initially charged with first-degree murder, Navarrete pleaded guilty to the lesser charge, leading to Monday’s sentencing.On March 23, o…