Beneath the hot-dog-scented breeze of the crisp, blue-skyFriday, a surging tide of sartorially snazzy orange-and-black-cladfans made their way by foot and ferry to AT&T Park for theseason home opener of the 2010 World Series champion San Francisco Giants . Yet as the tense, 12-inning and finally, victorious game againstthe St. Louis Cardinals stretched into early evening, a familiarfeeling transported the faithful back to October's nail-bitingdays, where the Giants' stupendous playoff seasonhovered between dark shadows and triumphant shouts of joy.