Samantha Power has been one of the world's most prominent Irish-born people in recent decades.
She occupied several positions in the Obama administration, and was US Ambassador to the United Nations from 2013 to 2017.
Samantha joined us on The Last Word to discuss her autobiography, The Education of an Idealist, her career and her thoughts on Donald Trump's presidency.
Listen to the interview in full by pressing the play button on this page.