This Bay Area punk-rock trio is creeping up on its 25th anniversary, yet, paradoxically, Green Day seems more vital than ever. How else to explain the band's continued critical adoration (largely for a pair of dynamic concept albums, 2004's American Idiot and last year's 21st Century Breakdown), adaptation to the Broadway stage ( Idiot again) and easy appeal to the next generation (via the Green Day-branded version of Rock Band)?