Ogunquit's Meadowmere Resort swells each summer with Vacationland visitors, tourists enjoying the coastal hotel's Roman bath, jacuzzi, spa, pools, pub and other luxuries. For 21 weeks, guests pack the resort's 145 rooms, and the Meadowmere doubles the size of its staff. The resort needs at least 35 additional workers to bring extra towels poolside, serve gin and tonics at the pub, or run the room service cart up and down the halls. The Meadowmere normally can fill half of those open seasonal positions with local help, and traditionally has turned to temporary foreign workers to augment its labor force. This...