Guilty plea in disc jockey's death 12/20/2002 By TIM WYATT / The Dallas Morning News A 40-year-old truck driver pleaded guilty Friday to negligent homicide charges in the traffic death of a Dallas radio personality last spring. In a plea bargain reached with prosecutors, Linden Kerrick Berry of Richland, Texas, received 3 years' probation and a $1,500 fine for the March 4 accident on Interstate 30 in which part of a forklift being hauled on Mr. Berry's truck struck an overpass, broke off and killed John LaBella, 51. COURTESY PHOTO John LaBella Mr. LaBella, of Dallas, was driving home...