WITHIN hours of Prime Minister Atal Behari Vajpayee’s dramatic announcement, a journalist, an old acquaintance of Home Minister L.K. Advani, met him at his North Block office. Advani could barely hide his emotions. During the time spent there, the scribe saw the home minister wiping his tears at least twice. One of the earliest promises, going back to Jana Sangh days, had just been fulfilled. For Sanghis of that generation, the need to join the nuclear club had finally moved from mere demands, smacked across Delhi’s boundary walls three decades ago, to the real thing. A feat that the party believes gives them the edge if there’s a mid-term poll.