CAMP LEJEUNE, N.C. (AP) — A Marine sentenced to 20 years in military prison for cutting parachute suspension lines before a training jump will have to testify against another Marine charged in the case.Lance Cpl. Antoine D. Boykins was sentenced Thursday, a day after he pleaded guilty to nine counts of reckless endangerment, four counts of aggravated assault and one count of destruction of government property.Boykins, 21, admitted cutting suspension lines on 13 of the 22 parachutes that were to be used in the exercise Sept. 21. He said he knew someone could be killed or injured because reserve...