A crisp rosé wine made in Argentina and anchored on Nantucket

By Celina Colby, Globe correspondent, Updated August 3, 2026, 8:58 a.m.

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When most people go on vacation, they bring back souvenirs like a few postcards, a camera roll full of selfies, maybe a bottle of wine. When Katie Potter returned to

Massachusetts from a 2022 trip to Argentina, she brought back a business plan.