When Matthew Cooper moved to Rock Hill from Ohio two years ago, he didn't plan to fall in love. But Cooper, 25, met a woman at a picnic and did just that. Now he and his fiancee, Brooke Lowery, 21, are about to marry - and the June 18 wedding could cost him his job as a firefighter for the city of Rock Hill. His future father-in-law, Herbie Lowery, also is a Rock Hill firefighter, and city policy says relatives can't work together in the same city department. Under the policy, Cooper will be terminated 30 days after he marries....