As the United States prepares to mark its 250th anniversary, Myles Dungan and guests explore the people, the principles, and the institutions that shaped the American Republic. With Daniel Carey, Brian Phillips Murphy, Paul McElhinney and Stewart McLaurin.

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Myles Dungan takes a tour of Ireland's National Cemetery at Glasnevin. With guests Ultan Moran, Brian Casey and Georgina Laragy.

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Conflict and coexistence in County Donegal; The life and career of Harry Ferguson; and The Giotto Mission to Halley’s Comet.

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Marc McMenamin reports. He talks to historian Edward Burke about a violent incident in south Donegal in 1920, and its connection to the family history of a major political figure. Local historian Robert Love joins Myles to talk about Donegal’s minority community and cross-community relations in the county.

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Colm Flynn speaks to John Barron, author of the new book ‘Harry Ferguson: From Birth To The Black Tractor’, about Ferguson’s life and career.

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40 years after the Giotto mission reached Halley’s Comet, astrophysicist Professor Susan McKenna-Lawlor recalls Ireland’s role in one of the great space missions of the 20th century. Report by Ian Kenneally and Flor MacCarthy.

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Myles Dungan revisits his 1988 interview with Spike Milligan, about his work on the influential BBC radio comedy series The Goon Show.

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Myles and guests discuss Fianna Fáil's origins, and open up two recently published books on Seán Lemass and Charles Haughey. With Donnacha Ó Beacháin, Ronan McGreevy and Eoin O'Malley.

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Fianna Fáil History; and Spike Milligan’s influential radio comedy series The Goon Show.

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Exploring the 1926 census; and broadcaster Iain Dale on political leadership.

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