The Giants in their celebratory homeopener Friday displayed multiple characteristics, most of whichwere familiar to fans and all of which further validate theinescapable truth about themselves. That is, they are either unwilling or unable to shake theircompulsive predilection for creating knots in the bellies of theirmost devoted followers. For nearly 4 1/2 hours at AT&T Park, against a resourcefulSt. Louis team, the Giants pushed their fans through anemotional obstacle course. They ran them around joy and sadness,over laughter and anger, through anticipation and denial.