st. louis - a st. louis circuit court jury has ruled that laclede gas co. owes a $4.5 million judgment to the parents of a man who died of burns he suffered in a natural gas explosion at his home. the jury awarded tommy and rita coggins $4.38 million for the death of their son, thomas coggins, 20, and an additional $120,000 for their wrecked home in the city's lindenwood park neighborhood. on april 7, 1991, an explosion leveled the house at 7016 winona avenue. thomas c