'West Side Story's' first Riff
SOMETIME around 10 p.m. Tuesday at the Academy of Music, the Philadelphia debut of the latest iteration of "West Side Story," which runs through April 8, will conclude with a reprise of "Somewhere." At this point, the audience will no doubt rise to its feet and reward the cast with a loud and appreciative ovation. But no matter how enthusiastic the crowd's response may be, it probably won't match that of those at Was…