SERGEANT BLUFF -- For six innings, it was simply a competitive high school baseball game between two top-10 teams with state tournament aspirations next month. The top of the seventh, however, was about as far from ordinary as it gets. When it was all said and done - following an overturned call at first base, the tying run being sent back to third, a long discussion, a protested finish and a section of lights going out - Sergeant Bluff-Luton