With an office staff now firmly rooted in Altagracia, BOSIA projects and delegation proliferated: “Geek” delegations worked on bringing free e-mail to the office and local schools. Teenaged “Hep Cats” swung their partners to salsa and taught swing dance to Ometepe dancers. Melissa Young and Mark Dworkin returned to film their sequel, “Islas Hermanas.” Former high school student delegates returned to spend more