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Overshadowed by all the anti-immigrant rhetoric afflicting our country today are wonderful stories of non-human immigration, such as the ones about how certain foods made their way from the New World to the Old World. Take potatoes and tomatoes, for example. They’re staples of Irish and Italian cuisine, respectively, but neither was native to those countries—both originated in the Americas. Mark and Joe tell the story of how these two hardy pioneers with humble roots in Mesoamerica came to dominate European cuisine. Like that of modern-day human migrants, their road to acceptance was a bumpy one full of fear, suspicion, and misinformation with some tasty twists and turns along the way. (Recorded October 3, 2025.)